<?xml version="1.0" encoding="utf-8"?>
<ead>
  <eadheader langencoding="iso639-2b" scriptencoding="iso15924" relatedencoding="dc" repositoryencoding="iso15511" countryencoding="iso3166-1" dateencoding="iso8601">
    <eadid countrycode="US" encodinganalog="identifier" identifier="80444/xv03680" url="http://archiveswest.orbiscascade.org/ark:/80444/xv03680" mainagencycode="US-ula" publicid="-//Utah State University::Special Collections and Archives//TEXT (US::US-ULA::USU_UUS_P0358::Orson Winso Israelsen irrigation photographs)//EN">UUS_p0358.xml</eadid>
    <filedesc>
      <titlestmt>
        <titleproper encodinganalog="title">Guide to the Orson Winso Israelsen irrigation photographs<date type="inclusive" normal="1900/1960" era="ce" calendar="gregorian" encodinganalog="date">1900-1960</date></titleproper>
        <titleproper type="filing" altrender="nodisplay" encodinganalog="title">Israelsen (Orson
               Winso) irrigation photographs<date type="inclusive" normal="1900/1960" era="ce" calendar="gregorian" encodinganalog="date">1900-1960</date></titleproper>
        <author encodinganalog="creator">Finding aid created by Aleene Jones, January 2007. Addendum by Cory M. Nani, March 2014</author>
        <sponsor encodinganalog="contributor">Library Services and Technology Act (LSTA) grant,
               2007-2008</sponsor>
      </titlestmt>
      <publicationstmt>
        <publisher encodinganalog="publisher">Utah State University, Merrill-Cazier Library, Special Collections &amp; Archives</publisher>
        <address>
          <addressline>Merrill-Cazier Library</addressline>
          <addressline>Utah State University</addressline>
          <addressline>3000 Old Main Hill</addressline>
          <addressline>Logan, UT 84322-3000</addressline>
          <addressline>Phone: 435 797-8248</addressline>
          <addressline>Fax: 435 797-2880</addressline>
          <addressline>Email: scweb@usu.edu</addressline>
        </address>
        <date normal="2008" era="ce" calendar="gregorian" encodinganalog="date">©2014</date>
      </publicationstmt>
    </filedesc>
    <profiledesc>
      <creation>Machine-readable finding guide converted from markup derived via template in
            Altova XMLSpy; markup checked and completed by Todd Welch. <date type="inclusive" normal="2008" era="ce" calendar="gregorian" encodinganalog="date">May 25,
            2008.</date></creation>
      <langusage>Finding guide is in <language encodinganalog="language" langcode="eng" scriptcode="Latn">English in Latin script.</language></langusage>
      <descrules>Finding aid based on DACS (<title render="italic">Describing Archives: A Content Standard, 2nd Edition</title>).</descrules>
    </profiledesc>
    <revisiondesc>
      <change>
        <date type="inclusive" normal="2008" era="ce" calendar="gregorian" encodinganalog="date">May 31, 2008</date>
        <item>Template information was updated to reflect Utah Manuscript Association best
               practices.</item>
      </change>
      <change>
        <date type="inclusive" normal="2009" era="ce" calendar="gregorian" encodinganalog="date">2009</date>
        <item>Template information was updated to reflect Archives West best practice guidelines.</item>
      </change>
    </revisiondesc>
  </eadheader>
  <archdesc level="collection" type="inventory" relatedencoding="dc">
    <did>
      <head>Descriptive Summary</head>
      <repository>
        <corpname encodinganalog="publisher">Utah State University, Merrill-Cazier Library, Special Collections &amp; Archives</corpname>
        <subarea encodinganalog="publisher">Photograph Collection</subarea>
        <address>
          <addressline>Merrill-Cazier Library</addressline>
          <addressline>Utah State University</addressline>
          <addressline>3000 Old Main Hill</addressline>
          <addressline>Logan, UT 84322-3000</addressline>
          <addressline>Phone: 435 797-8248</addressline>
          <addressline>Fax: 435 797-2880</addressline>
          <addressline>Email: scweb@usu.edu</addressline>
        </address>
      </repository>
      <unitid encodinganalog="identifier" countrycode="US" repositorycode="US-ula">UUS_P0358</unitid>
      <origination label="creator">
        <persname encodinganalog="creator" source="lcnaf" rules="aacr2" role="creator">Israelsen, Orson Winso, 1887-1968.</persname>
      </origination>
      <unittitle encodinganalog="title">Orson Winso Israelsen irrigation photographs</unittitle>
      <unitdate type="inclusive" normal="1900/1960" era="ce" calendar="gregorian" datechar="creation" encodinganalog="date">1900-1960 </unitdate>
      <unitdate type="bulk" normal="1920/1950" era="ce" calendar="gregorian" datechar="creation" encodinganalog="date">1920-1950</unitdate>
      <physdesc>
        <extent encodinganalog="format">5 boxes</extent>
        <extent encodinganalog="format">2.25 linear ft. </extent>
      </physdesc>
      <abstract encodinganalog="description">1,495 black &amp; white photographic images
            documenting Israelsen's long career in irrigation and drainage engineering
            (approximately 1900-1960). Included in the collection are images of flooding, laterals,
            flumes, headgates, culverts, canal and dam construction, water measuring equipment,
            weirs, erosion, diversions, culverts, reservoirs, and terracing. Most of the photographs
            were taken in Utah, but many may be from adjoining states and a few are from Italy,
            Spain, and Portugal.
      </abstract>
      <langmaterial> Collection materials are in <language langcode="eng" encodinganalog="language">English.</language></langmaterial>
    </did>
    <accessrestrict encodinganalog="rights">
      <head>Restrictions</head>
      <p>Open to public research.</p>
    </accessrestrict>
    <userestrict encodinganalog="rights">
      <head>Copyright</head>
      <p>It is the responsibility of the user to obtain permission to publish from the owner of
            the copyright (the institution, the creator of the record, the author or his/her
            transferees, heirs, legates, or literary executors). The user agrees to indemnify and
            hold harmless the Utah State University Libraries, its officers, employees, and agents
            from and against all claims made by any person asserting that he or she is an owner of
            copyright. </p>
      <p>Permission to publish material from the Orson Winso Israelsen irrigation photographs&gt; must
            be obtained from the <extref type="simple" role="text/html" show="new" actuate="onRequest" href="https://archives.usu.edu/">Special Collections Photograph Curator</extref> and/or the Special Collections
            Department Head.</p>
    </userestrict>
    <prefercite>
      <p>Orson Winso Israelsen irrigation photographs, 1900-1960. (P0358). Utah State University.
            Special Collections &amp; Archives Department.</p>
    </prefercite>
    <acqinfo>
      <p>This material was given to USU Special Collections &amp; Archives in two
            installments. One in July 1968 by Mrs. O.W. Israelsen and the other by the Department of
            Agricultural and Irrigation Engineering, represented by Dr. A. Alvin Bishop.</p>
    </acqinfo>
    <processinfo>
      <p>Boxes 1, 2, and 3 contain organized and clearly labeled photographs from various
            projects relevant to O.W. Israelsen. Some are self-contained and titled projects, while others
            are loose despite a clear organization. These have been maintained in the arrangement in which
            they arrived. Photographs and papers in Folders 1-5 were pulled from the Project 211 addendum in MSS
            Coll 31. The photographs and papers in folders 6-12 were pulled from a binder labeled
            "Photographs-Engineering-Irrigation" New photograph numbers are consistent with original
            photograph numbering. The photographs and papers in folders 13-23 were pulled from a
            binder labeled "O.W. Israelson Utah Agr. Expo Sta Pro. 157 June 5, 1939." The binder had
            the Utah State Agricultural College seal. Box 4 contains unorganized an unlabeled images from 
            various unidentified projects and trips relevant to O.W. Israelsen. The original order of 
            the photos has been largely maintained,and the folder or envelope in which the photos arrived
            is clipped to the mylar sleeve. Most of these contain no information of value, and are included
            only as a matter of organizational reference. Box 5 contains a photo compilation book entitled 
            "Irrigation Projects of Uzbekistan."</p>
      <p>Register completed by Aleene Jones, January 2007.</p>
    </processinfo>
    <bioghist encodinganalog="description">
      <head>Biographical Note</head>
      <p>Orson Winso Israelsen was born December 25, 1887 in Hyrum, Utah. During Israelsen's
            youth he worked on the family farm and attended the local schools in the area. He
            enrolled in the Brigham Young College in Logan, Utah in 1906 and graduated in 1910. In
            1910 he enrolled in the Agricultural College of Utah (now Utah State University) to
            study irrigation and drainage engineering. After graduation he enrolled in the College
            of Engineering at the University of California, Berkley in 1912. Two years later he was
            awarded a M.A. in Irrigation and Drainage Engineering and he began teaching at the
            Agricultural College of Utah. In 1925 he was awarded a Ph.D. in Irrigation and Drainage
            Engineering. Israelsen retired from USU in 1954. He died on May 15, 1968 in Logan, Utah.</p>
      <p>During the course of Israelsen's career he was highly involved with the UACs
            agricultural experiment stations and was involved in numerous research projects in Utah,
            the American West, Canada, the Middle East, Southeast Asia, India, and South America.
            Israelsen was the author of hundreds of published works and his 1932 book, Irrigation
            Principles and Practices has become the classic treatise on the subject with a dozen
            foreign language translations.</p>
      <p>For a detailed account of his personal and professional life researchers should see
            Israelsen's autobiography, <emph render="italic">Forty Years of Sound and Forty Years of
               Silence</emph>, published in 1968. See Merrill-Cazier Library (HV2534.I8 A3) or
            Special Collections (920 Is7). </p>
    </bioghist>
    <arrangement encodinganalog="description">
      <p> Arrangement: Topical</p>
    </arrangement>
    <scopecontent encodinganalog="description">
      <p>The Orson Winso Israelsen photograph collection consists of 1495 images that Israelsen
            used to document his long career as a irrigation engineer and drainage specialist.
            Included in the collection are images of flooding, laterals, flumes, headgates,
            culverts, canal and dam construction, water measuring equipment, weirs, erosion,
            diversions, culverts, reservoirs, and terracing. Most of the photographs were taken in
            Utah, but many are probably from adjoining states and a few are from Italy, Spain, and
            Portugal. Boxes 1, 2, and 3 contain organized and clearly labeled photographs from various
            projects relevant to O.W. Israelsen. Some are self-contained and titled projects, while others
            are loose despite a clear organization. These have been maintained in the arrangement in which
            they arrived. Photographs and papers in Folders 1-5 were pulled from the Project 211 addendum in MSS
            Coll 31. The photographs and papers in folders 6-12 were pulled from a binder labeled
            "Photographs-Engineering-Irrigation" New photograph numbers are consistent with original
            photograph numbering. The photographs and papers in folders 13-23 were pulled from a
            binder labeled "O.W. Israelson Utah Agr. Expo Sta Pro. 157 June 5, 1939." The binder had
            the Utah State Agricultural College seal. Box 4 contains unorganized an unlabeled images from 
            various unidentified projects and trips relevant to O.W. Israelsen. The original order of 
            the photos has been largely maintained, and the folder or envelope in which the photos arrived
            is clipped to the mylar sleeve. Most of these contain no information of value, and are included
            only as a matter of organizational reference. Box 5 contains a photo compilation book entitled 
            "Irrigation Projects of Uzbekistan."
      </p>
    </scopecontent>
    <relatedmaterial encodinganalog="relation">
      <p>Orson Winso Israelsen papers <extref type="simple" show="new" actuate="onRequest" href="http://uda-db.orbiscascade.org/findaid/ark:/80444/xv95730/">COLL MS 31</extref></p>
    </relatedmaterial>
    <controlaccess>
      <subject encodinganalog="subject" source="archiveswest" altrender="nodisplay">Environmental Conditions</subject>
      <persname encodinganalog="subject" source="lcnaf" rules="aacr2" role="subject">Israelsen, Orson Winso, 1887-1968--Photographs.</persname>
      <subject encodinganalog="subject" source="lcsh" rules="aacr2">Irrigation engineering--Utah--Photographs.</subject>
      <subject encodinganalog="subject" source="lcsh" rules="aacr2">Floods--Utah--Photographs.</subject>
      <subject encodinganalog="subject" source="lcsh" rules="aacr2">Floods--Cache Valley (Utah and Idaho)--Photographs.</subject>
      <subject encodinganalog="subject" source="lcsh" rules="aacr2">Flood control--Utah--Photographs.</subject>
      <subject encodinganalog="subject" source="lcsh" rules="aacr2">Dams--Utah--Photographs.</subject>
      <subject encodinganalog="subject" source="lcsh" rules="aacr2">Dams--Cache Valley (Utah and Idaho)--Photographs.</subject>
      <subject encodinganalog="subject" source="lcsh" rules="aacr2">Dams--Nevada--Photographs.</subject>
      <subject encodinganalog="subject" source="lcsh" rules="aacr2">Irrigation canals and flumes--Utah--Photographs.</subject>
      <subject encodinganalog="subject" source="lcsh" rules="aacr2">Irrigation canals and flumes--Cache Valley (Utah and Idaho)--Photographs.</subject>
      <subject encodinganalog="subject" source="lcsh" rules="aacr2">Erosion--Utah--Photographs.</subject>
      <subject encodinganalog="subject" source="lcsh" rules="aacr2">Reservoirs--Utah--Photographs.</subject>
      <subject encodinganalog="subject" source="lcsh" rules="aacr2">Irrigation canals and flumes--Linings--Utah--Photographs.</subject>
      <geogname encodinganalog="coverage" source="lcsh" rules="aacr2" role="subject">Hoover Dam (Ariz. and Nev.)--Photographs.</geogname>
    </controlaccess>
    <dsc type="in-depth">
      <head>Container List</head>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">1</container>
          <unittitle encodinganalog="title">Miscellaneous photographs, pulled from papers concerning Project 211 from the MSS 31 addendum</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:01:01</unitid>
            <unittitle encodinganalog="title"> Postcard to Mr. O.W. Israelson; picture of a "Press-Ur-Meter" on the front</unittitle>
            <unitdate encodinganalog="date" normal="19500308" era="ce" calendar="gregorian" certainty="approximate">March 8, 1950</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:01:02</unitid>
            <unittitle encodinganalog="title"> Men working in a cement lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1938" era="ce" calendar="gregorian" certainty="approximate">May 1938</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:01:03</unitid>
            <unittitle encodinganalog="title"> Men working in a canal lined with blocks of
                     cement(?)</unittitle>
            <unitdate encodinganalog="date" normal="1937" era="ce" calendar="gregorian" certainty="approximate">June 1937</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:01:04</unitid>
            <unittitle encodinganalog="title"> A cement lined canal filled with flowing water</unittitle>
            <unitdate encodinganalog="date" normal="1938" era="ce" calendar="gregorian" certainty="approximate">February 1938</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:01:05</unitid>
            <unittitle encodinganalog="title"> Group photo with description. "U.S.B.R., SCS
                     and others who conferred at Logan RE Cooperative Canal Lining Study July 1949."
                     Men included: M.R. Lewis, F.M.Roush, G.P. South, Woodward, I.B. Hosig, C.W.
                     Lauritzen, A.W. Bainbridge, E.O. Wilson, T.L. Steele, D.W. Applegate, James
                     Garton, H.S. Meissner, F.L. Howland, W.W. Rasmussen, and R.E. Rallison</unittitle>
            <unitdate encodinganalog="date" normal="19490603" era="ce" calendar="gregorian" certainty="approximate">June 3, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:01:06</unitid>
            <unittitle encodinganalog="title"> "Land Use Map" of Northern Utah, Soil
                     Conservation District</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">2</container>
          <unittitle encodinganalog="title">Photos pulled from the "Research Report on Water
                  Conveyance and Delivery Efficiencies in Relation to Methods and Cost of Lining
                  Canals"</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:02:01</unitid>
            <unittitle encodinganalog="title"> "Delta-Melville C-Canal experimental section in
                     process of the application of the clay lining showing W.P.A. men compacting the
                     lining by hand"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:02:02</unitid>
            <unittitle encodinganalog="title"> Man controlling a tractor with "a water-filled
              cylinder roller used for compacting the clay lining" in a canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">3</container>
          <unittitle encodinganalog="title">Photos concerning Project 211, pulled from folder
            labeled, "Parshall, R.L. Bentonite Canal Lining, Colorado"</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:03:01</unitid>
            <unittitle encodinganalog="title"> Two men shoveling a white sandy substance
              (bentonite) onto a canal wall</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:03:02</unitid>
            <unittitle encodinganalog="title"> Construction of lining a canal, bags, men
              lining canal with white sandy substance (bentonite)</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:03:03</unitid>
            <unittitle encodinganalog="title"> Men lining a canal wall with white sandy
              substance (bentonite), using a rake or smoother</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:03:04</unitid>
            <unittitle encodinganalog="title"> Canal under construction, bags line the bottom,
              one bag has just been opened</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">4</container>
          <unittitle encodinganalog="title">Prints: photos and drawings concerning Project
            211</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:04:01</unitid>
            <unittitle encodinganalog="title"> Man in canal leveling with irrigation
              equipment</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
            <physdesc>
              3 copies)
            </physdesc>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:04:02</unitid>
            <unittitle encodinganalog="title"> A canal with a board along the bottom of
              it</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:04:03</unitid>
            <unittitle encodinganalog="title"> Man squatting on a small bridge measuring the
              flow of a canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
          <scopecontent>
            <p> Copy of 1:09:147.</p>
          </scopecontent>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:04:04</unitid>
            <unittitle encodinganalog="title"> A canal filled with water</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:04:05</unitid>
            <unittitle encodinganalog="title"> Men using irrigation equipment for testing,
                     from the Agricultural Engineering journal</unittitle>
            <unitdate encodinganalog="date" normal="1943" era="ce" calendar="gregorian" certainty="approximate">October 1943</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:04:06</unitid>
            <unittitle encodinganalog="title"> Drawings of driving hammer and heads, and
              piezometer in use</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
            <physdesc>
              (2 copies)
            </physdesc>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:04:07</unitid>
            <unittitle encodinganalog="title"> Drawings of ground-water flow patterns Melville
                     East Canal-Sta. 20+00</unittitle>
            <unitdate encodinganalog="date" normal="1942" era="ce" calendar="gregorian" certainty="approximate">August-September 1942</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:04:08</unitid>
            <unittitle encodinganalog="title"> Ground-water flow drawing</unittitle>
            <unitdate encodinganalog="date" normal="1942" era="ce" calendar="gregorian" certainty="approximate">June 1942</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">5</container>
          <unittitle encodinganalog="title">"Prints from Dr. C.W.L...for Irrigation Dept files
                  O.W.I concerning Project 211</unittitle>
          <unitdate encodinganalog="date" normal="19470625" era="ce" calendar="gregorian" certainty="approximate">June 25, 1947</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:05:01</unitid>
            <unittitle encodinganalog="title"> "Red Creek Dam</unittitle>
            <unitdate>March 31, 1943</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:02</unitid>
            <unittitle encodinganalog="title"> Man in an irrigation experiment lab, water
              flowing between boards</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:03</unitid>
            <unittitle encodinganalog="title"> Two men, D.A. Stones, President of Paragonah
                     Canal Co., and T.A. Tapham, President of Red Creek Res. and Canal Co., shaking
                     hands</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
            <physdesc>
              2 copies)
            </physdesc>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:04</unitid>
            <unittitle encodinganalog="title"> Man sitting on an old truck looking over his
              shoulder at water flowing out of a pump</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:05</unitid>
            <unittitle encodinganalog="title"> A half circle of irrigation flume boxes, an
              irrigation experiment</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:06</unitid>
            <unittitle encodinganalog="title"> A box leveler being pulled through a dirt
              field</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:07</unitid>
            <unittitle encodinganalog="title"> "Eversman Automatic Leveler and John Deere
              tractor on alfalfa (field) breaking"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:08</unitid>
            <unittitle encodinganalog="title"> "Eversman Automatic 9" cut Leveler drawn by six
              horses. Alfafa breaking College farm"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:09</unitid>
            <unittitle encodinganalog="title"> View of mountain stream</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:10</unitid>
            <unittitle encodinganalog="title"> Dry sandy dirt, "Project 211 Lining 3A." </unittitle>
            <unitdate encodinganalog="date" normal="19470326" era="ce" calendar="gregorian" certainty="approximate">March 26, 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:11</unitid>
            <unittitle encodinganalog="title"> Cracked dirt, "Project 211 Lining 6A." </unittitle>
            <unitdate encodinganalog="date" normal="19470326" era="ce" calendar="gregorian" certainty="approximate">March 26, 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:12</unitid>
            <unittitle encodinganalog="title"> Shallow water in canal, "Project 211 Lining
                     7A." </unittitle>
            <unitdate encodinganalog="date" normal="19470326" era="ce" calendar="gregorian" certainty="approximate">March 26, 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:13</unitid>
            <unittitle encodinganalog="title"> Cracked dirt, "Project 211 Lining 2A." </unittitle>
            <unitdate encodinganalog="date" normal="19470326" era="ce" calendar="gregorian" certainty="approximate">March 26, 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:14</unitid>
            <unittitle encodinganalog="title"> Cracked dirt, "Project 211 Lining 1A." </unittitle>
            <unitdate encodinganalog="date" normal="19470326" era="ce" calendar="gregorian" certainty="approximate">March 26, 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:15</unitid>
            <unittitle encodinganalog="title"> Cracked dirt, "Project 211 Lining 8A." </unittitle>
            <unitdate encodinganalog="date" normal="19470326" era="ce" calendar="gregorian" certainty="approximate">March 26, 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:16</unitid>
            <unittitle encodinganalog="title"> Cracked dirt, "Project 211 Lining J-A." </unittitle>
            <unitdate encodinganalog="date" normal="19470326" era="ce" calendar="gregorian" certainty="approximate">March 26, 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:05:17</unitid>
            <unittitle encodinganalog="title"> Cracked dirt, "Project 211 Lining 4A." </unittitle>
            <unitdate encodinganalog="date" normal="19470326" era="ce" calendar="gregorian" certainty="approximate">March 26, 1947</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">6</container>
          <unittitle encodinganalog="title">Photographs from Engineering-Irrigation
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:06:01-09</unitid>
            <unittitle encodinganalog="title"> Men on dam bridge, dams, bridges, irrigation
              structures, irrigation laboratory, river, etc. Locations unknown</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:10-11</unitid>
            <unittitle encodinganalog="title"> View of East Canyon Resevoir, Weber River,
              Utah</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:12</unitid>
            <unittitle encodinganalog="title"> Canal, probably one coming from the East Canyon
              Resevoir, Weber River, Utah</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:13</unitid>
            <unittitle encodinganalog="title"> Man standing on equipment</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:14</unitid>
            <unittitle encodinganalog="title"> East Canyon Reservoir, Weber River,
              Utah</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:15</unitid>
            <unittitle encodinganalog="title"> View of tower on the East Canyon Reservoir,
              Weber River, Utah</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:16</unitid>
            <unittitle encodinganalog="title"> Aerial view of river and reservoir, probably
              East Canyon Reservoir</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:17</unitid>
            <unittitle encodinganalog="title"> East Canyon Reservoir tower, Weber River,
              Utah</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:18-27</unitid>
            <unittitle encodinganalog="title"> Irrigation ditches in orchard field, irrigation
                     canals and ditches, cement tube, dam construction, etc. Locations
                     unknown</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:28-29</unitid>
            <unittitle encodinganalog="title"> Cement lined irrigation canal full of water,
              pipe with water entering a canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:30</unitid>
            <unittitle encodinganalog="title"> Tall cement tubes</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:31</unitid>
            <unittitle encodinganalog="title"> Canal with water flowing under railroad
              tracks</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:32</unitid>
            <unittitle encodinganalog="title"> Man drinking from a well</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:33</unitid>
            <unittitle encodinganalog="title"> Irrigation canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:34-41</unitid>
            <unittitle encodinganalog="title"> Men shoveling, construction of an artesian
              well, drilling, water flowing from well, etc</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:42</unitid>
            <unittitle encodinganalog="title"> Irrigation canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:46</unitid>
            <unittitle encodinganalog="title"> Winter scene of a river and
              mountain</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:47</unitid>
            <unittitle encodinganalog="title"> A cement canal with water flowing down
              it</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:48</unitid>
            <unittitle encodinganalog="title"> View of stream coming down a mountian trail
              with flood barricades</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:06:49</unitid>
            <unittitle encodinganalog="title"> Men on irrigation equipment, water</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">7</container>
          <unittitle encodinganalog="title">Photographs from Engineering-Irrigation
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:07:50-54</unitid>
            <unittitle encodinganalog="title"> Photographs of an irrigation flume under
              construction, a man on the flume, a stream</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:07:55</unitid>
            <unittitle encodinganalog="title"> Water treatment plant?</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:07:56</unitid>
            <unittitle encodinganalog="title"> Terraced hillside, possibly after Willard
              flood?</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:07:57-76</unitid>
            <unittitle encodinganalog="title"> Construction, irrigation flumes, canals, weirs,
              pumps, measuring equipment, factory, dams, and a bridge</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:07:76</unitid>
            <unittitle encodinganalog="title"> Overflow on the Bear River, water almost over a
              bridge, Benson Marina</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:07:77</unitid>
            <unittitle encodinganalog="title"> Close-up of water</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:07:78</unitid>
            <unittitle encodinganalog="title"> Mountain stream, flood barricades and a man
              with car in background</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:07:79-81</unitid>
            <unittitle encodinganalog="title"> Irrigation weir, reservoirs, etc</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">8</container>
          <unittitle encodinganalog="title">Photographs from Engineering-Irrigation
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:08:82</unitid>
            <unittitle encodinganalog="title"> View of a reservoir</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:83</unitid>
            <unittitle encodinganalog="title"> Seven irrigation headgates in cement
              walls</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:84</unitid>
            <unittitle encodinganalog="title"> A measuring flume</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:85</unitid>
            <unittitle encodinganalog="title"> A home</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:86</unitid>
            <unittitle encodinganalog="title"> Man on a bridge, possibly Benson
              Marina</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:87-89</unitid>
            <unittitle encodinganalog="title"> Irrigation flume under construction,
              canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:90</unitid>
            <unittitle encodinganalog="title"> View of Cache Valley with Logan
              Temple</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:91-94</unitid>
            <unittitle encodinganalog="title"> Irrigation flume under construction, men at
              construction site</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:95</unitid>
            <unittitle encodinganalog="title"> "Pleasant Valley Dam. Downstream slope showing
                     water coming thru." </unittitle>
            <unitdate encodinganalog="date" normal="19280524" era="ce" calendar="gregorian" certainty="approximate">May 24, 1928</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:96</unitid>
            <unittitle encodinganalog="title"> "Reinforcements arriving at Pleasant Valley
                     Dam." Men arriving by train</unittitle>
            <unitdate encodinganalog="date" normal="19280518" era="ce" calendar="gregorian" certainty="approximate">May 18, 1928</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:97</unitid>
            <unittitle encodinganalog="title"> "Looking South across Pleasant Valley Dam. Note
                     how earth fill settled all along. Note hole on hillside over outlet tunnel." </unittitle>
            <unitdate encodinganalog="date" normal="19280524" era="ce" calendar="gregorian" certainty="approximate">May 24, 1928</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:98</unitid>
            <unittitle encodinganalog="title"> "Water from outlet tunnel undermining North
                     Bank under spillway outlet." Pleasant Valley Dam</unittitle>
            <unitdate encodinganalog="date" normal="19280524" era="ce" calendar="gregorian" certainty="approximate">May 24, 1928</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:99</unitid>
            <unittitle encodinganalog="title"> "Spillway Pleasant Valley Dam. Looking
                     downstream." </unittitle>
            <unitdate encodinganalog="date" normal="19280524" era="ce" calendar="gregorian" certainty="approximate">May 24, 1928</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:100</unitid>
            <unittitle encodinganalog="title"> "Looking S. across top of Dam. Note settling of
                     earth fill. Men throwing sand bags in." </unittitle>
            <unitdate encodinganalog="date" normal="19280524" era="ce" calendar="gregorian" certainty="approximate">May 24, 1928</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:101</unitid>
            <unittitle encodinganalog="title"> "Showing main hole in Pleasant Valley Dam." </unittitle>
            <unitdate encodinganalog="date" normal="19280525" era="ce" calendar="gregorian" certainty="approximate">May 25, 1928</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:102</unitid>
            <unittitle encodinganalog="title"> "Spillway Pleasant Valley Dam. Looking
                     upstream. Note concrete wing walls." </unittitle>
            <unitdate encodinganalog="date" normal="19280524" era="ce" calendar="gregorian" certainty="approximate">May 24, 1928</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:103</unitid>
            <unittitle encodinganalog="title"> "Looking N. across Pleasant Valley Dam showing
                     huge section of earthfill which dropped in. Sand bags were placed around edge
                     of hole." </unittitle>
            <unitdate encodinganalog="date" normal="19280524" era="ce" calendar="gregorian" certainty="approximate">May 24, 1928</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:08:104</unitid>
            <unittitle encodinganalog="title"> View of a dam</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">9</container>
          <unittitle encodinganalog="title">Photographs from Engineering-Irrigation
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:09:105-107</unitid>
            <unittitle encodinganalog="title"> Irrigation flume construction in Uintah Basin
              area, possibly Ashley Valley</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:109-124</unitid>
            <unittitle encodinganalog="title"> Construction for a dam or flume, men at
              construction sites, rocky terrain, etc</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:125-127</unitid>
            <unittitle encodinganalog="title"> Construction of diversion dam, Uintah Basin
              area</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:128</unitid>
            <unittitle encodinganalog="title"> View of a lake</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:129</unitid>
            <unittitle encodinganalog="title"> Men and horses preparing soil for a canal or
              flume to be built</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:130</unitid>
            <unittitle encodinganalog="title"> A head-gate, water being diverted out of
              canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:131</unitid>
            <unittitle encodinganalog="title"> A farm, a head-gate and water flowing out of
              pipe into canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:132</unitid>
            <unittitle encodinganalog="title"> An irrigation V weir</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:133</unitid>
            <unittitle encodinganalog="title"> View of a valley</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:134</unitid>
            <unittitle encodinganalog="title"> An irrigation V weir</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:135</unitid>
            <unittitle encodinganalog="title"> Three men at a desk talking; measuring
              equipment is on the desk</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:136</unitid>
            <unittitle encodinganalog="title"> Men and a team of horses pulling a slip
              scraper</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
          <scopecontent>
            <p>Copy of 1:12:07</p>
          </scopecontent>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:137-146</unitid>
            <unittitle encodinganalog="title"> Views of rivers, irrigation diversion dams,
              canals, weir, etc. Some may be from the Uintah Basin area</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:147</unitid>
            <unittitle encodinganalog="title"> Man on a small bridge measuring the flow of the
              river</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
          <scopecontent>
            <p>Copy of 1:04:03</p>
          </scopecontent>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:148</unitid>
            <unittitle encodinganalog="title"> Construction of a canal, dump truck unloading
              material for lining of the canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:09:149</unitid>
            <unittitle encodinganalog="title"> Irrigated area</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">10</container>
          <unittitle encodinganalog="title">Photographs from Engineering-Irrigation
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:10:01-06</unitid>
            <unittitle encodinganalog="title"> Men conducting ground water surveys to
                     determine the need for drainage, men using different equipment near canals and
                     at canals</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:10:07</unitid>
            <unittitle encodinganalog="title"> A green house, probably at Utah State
              University campus</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:10:08</unitid>
            <unittitle encodinganalog="title"> A view of the Logan Temple, Utah</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:10:09</unitid>
            <unittitle encodinganalog="title"> View of Old Main at Utah State
              University</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">11</container>
          <unittitle encodinganalog="title">Photographs from Engineering-Irrigation binder;
            from the "Irrigation Structure" section</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:11:01-03</unitid>
            <unittitle encodinganalog="title"> Irrigation structures, irrigation mechanism
              utilizing pulleys. Equipment for measuring the volume of a river</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:04-05</unitid>
            <unittitle encodinganalog="title"> Three men, one man has an "Aggie" coat
              on</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:06</unitid>
            <unittitle encodinganalog="title"> "Boulder Dam. Lower portals of diversion
              tunnels." (Hoover Dam)</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:07</unitid>
            <unittitle encodinganalog="title"> "Boulder Dam. Upper and lower Coffer Dams."
              (Hoover Dam)</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:08-09</unitid>
            <unittitle encodinganalog="title"> Construction of Hoover Dam. (also known as
              Boulder Dam)</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:10</unitid>
            <unittitle encodinganalog="title"> Construction Of Hoover Dam, view of cement
              bucket unloading</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:11</unitid>
            <unittitle encodinganalog="title"> Construction of Hoover Dam</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:12</unitid>
            <unittitle encodinganalog="title"> "Cleaning the canyon bed for Boulder Dam."
              (Hoover Dam)</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:13</unitid>
            <unittitle encodinganalog="title"> "Upper Coffer Dam and Dam site as viewed by
              skip tenders- Boulder Dam"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:14</unitid>
            <unittitle encodinganalog="title"> "Hoover Dam. Cement mixing plant and storage
              bins"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:15</unitid>
            <unittitle encodinganalog="title"> Construction of Hoover Dam, view of men
              building one square section</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:16</unitid>
            <unittitle encodinganalog="title"> Construction of Hoover Dam, view of giant
              bucket poaring cement into a square section</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:17</unitid>
            <unittitle encodinganalog="title"> Construction of Hoover Dam, view of diversion
              tunnels</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:18</unitid>
            <unittitle encodinganalog="title"> Night view of construction of Hoover
              Dam</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:19</unitid>
            <unittitle encodinganalog="title"> Night view of a building (possibly the cement
              mixing plant) at the Hoover Dam construction site</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:20</unitid>
            <unittitle encodinganalog="title"> View of completed Hoover Dam</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:21</unitid>
            <unittitle encodinganalog="title"> "Hoover Dam. Sand and gravel
              conveyors"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:22</unitid>
            <unittitle encodinganalog="title"> Night view of Hoover Dam
              construction</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:23</unitid>
            <unittitle encodinganalog="title"> Construction of Hoover Dam, view of cement
              bucket unloading</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:24</unitid>
            <unittitle encodinganalog="title"> "The actual site of Boulder Dam"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:25</unitid>
            <unittitle encodinganalog="title"> "Down stream from Boulder Dam"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:26</unitid>
            <unittitle encodinganalog="title"> "Giant Cable Suspension Tower-Boulder
              Dam"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:27</unitid>
            <unittitle encodinganalog="title"> "Condencer for giant cooling plant -Boulder
              Dam"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:28</unitid>
            <unittitle encodinganalog="title"> Construction of Hoover Dam, view of giant
              crane</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:11:29</unitid>
            <unittitle encodinganalog="title"> Up-close view of a diversion tunnel at Hoover
              Dam</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">12</container>
          <unittitle encodinganalog="title">Photographs from Engineering-Irrigation
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:12:01-03</unitid>
            <unittitle encodinganalog="title"> Lateral diversion canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:12:04</unitid>
            <unittitle encodinganalog="title"> spillway, men standing on wall</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:12:05</unitid>
            <unittitle encodinganalog="title"> Men and a team of horses pulling a slipping
              scrapper through a canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
            <physdesc>
              2 copies)
            </physdesc>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:12:06</unitid>
            <unittitle encodinganalog="title"> Men and a team of horses pulling a slipping
              scrapper through a canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
            <physdesc>
              2 copies
            </physdesc>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:12:07</unitid>
            <unittitle encodinganalog="title"> Men and a team of horses pulling a slipping
              scrapper through a canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
            <physdesc>
              2 copies)
            </physdesc>
          </did>
          <scopecontent>
            <p>Copy of 1:09:136</p>
          </scopecontent>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">13</container>
          <unittitle encodinganalog="title">Photographs from O.W. Israelson USU
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:13:01</unitid>
            <unittitle encodinganalog="title"> "Salt River Valley pumping plant lifting a
                     stream of 11.8 sec. ft. from the ground water reservoir. (Courtesy
                     S.R.V.W.U.A.)"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:13:02</unitid>
            <unittitle encodinganalog="title"> Three men lining a canal with butyl(?) </unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
            <physdesc>
              2 copies
            </physdesc>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:13:03</unitid>
            <unittitle encodinganalog="title"> O.W. Isrealsen, C.W. Lauritzen, and Barbara
                     Gibbons in Logan Canyon, picture by B. Chadenet</unittitle>
            <unitdate encodinganalog="date" normal="1952" era="ce" calendar="gregorian" certainty="approximate">September 1952</unitdate>
            <physdesc>
              Copy of 1:14:16
            </physdesc>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:13:04-05</unitid>
            <unittitle encodinganalog="title"> Pamphlet, "A Four-Year Tour with the Irrigation
              Department of the Utah Agricultural College"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:13:06</unitid>
            <unittitle encodinganalog="title"> "Erosion from a tributary to the Bear River,
                     Fairview Idaho. Gully about 300 yards wide, 1/4 mile long, and 100 to 150 feet
                     deep"</unittitle>
            <unitdate encodinganalog="date" normal="19490422">April 22, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:13:07</unitid>
            <unittitle encodinganalog="title"> Farmer irrigating a field. "Border irrigation
                     showing how inadequate finishing or floating affects the distribution of
                     water.."</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:13:08</unitid>
            <unittitle encodinganalog="title"> "An example of border irrigation showing how
              the water should spread uniformly... (Soil Conservation Service)"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:13:09</unitid>
            <unittitle encodinganalog="title"> Corresondence, to O.W. Israelson from Joseph
                     Rodrigo. Enclosure of leaflet about Friant Dam and information map about
                     "Central Valley Project-California"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:13:10</unitid>
            <unittitle encodinganalog="title"> Two pages of descriptions for photographs
                     labeled "Photos of Italian Scenes from Lettie Rodrigo's files for
                     O.W.I"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">14</container>
          <unittitle encodinganalog="title">Photographs from O.W. Israelson USU
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:14:01</unitid>
            <unittitle encodinganalog="title"> "Joe Rodrigo and dog at Levy Villa near Milan,
                     Italy"</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">October 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:02</unitid>
            <unittitle encodinganalog="title"> "Russ Smith photographs some ancient ruins
                     recently excavated, Logo Garda, Italy"</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">September 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:03</unitid>
            <unittitle encodinganalog="title"> "The Grand Canal- buildings on each side are
                     luxurious private homes, Venice, Italy</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">September 1947."</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:04</unitid>
            <unittitle encodinganalog="title"> "This bridge is lined with shops on both sides
                     opening into center alley.."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">September 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:05</unitid>
            <unittitle encodinganalog="title"> "The canal street, Venice, Italy"</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">September 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:06</unitid>
            <unittitle encodinganalog="title"> "Joe Rodrigo and Lettie -Spain/France"</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">September 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:07</unitid>
            <unittitle encodinganalog="title"> "Oxcart and children of Bartola and Juan Ainz,
                     Llodio, Spain." Joe Rodrigo</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">September 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:08</unitid>
            <unittitle encodinganalog="title"> "Chain and bucket pump- gasoline motor and
                     adjacent storage tank. Between Madrid and Toledo, Spain"</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">September 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:09</unitid>
            <unittitle encodinganalog="title"> "Chain and bucket well and storage tank. Pump
                     has gas motor. Between Madrid and Toledo, Spain"</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">September 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:10</unitid>
            <unittitle encodinganalog="title"> "Typical Portugal pumping plant. The ox on a
                     circular path is blindfolded and unattended. He just goes 'round and round.'" </unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">August 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:11</unitid>
            <unittitle encodinganalog="title"> "Portugal pumping plant. Joe and Dad Rodrigo by
                     a hand derrick, used to pull up...bucketful of water...sometimes worked to
                     irrigate a field"</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">August 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:12</unitid>
            <unittitle encodinganalog="title"> "Woman tending goats near 900 year old olive
                     trees. Belmonte, Portugal"</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">September 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:13</unitid>
            <unittitle encodinganalog="title"> Two women walking with baskets of merchandise
                     on their heads. Portugal</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">August 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:14</unitid>
            <unittitle encodinganalog="title"> Four women walking with baskets of merchandise
                     on their heads. Portugal</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">August 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:15</unitid>
            <unittitle encodinganalog="title"> Man on horseback near large unused water
              wheel</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:16</unitid>
            <unittitle encodinganalog="title"> O.W. Isrealsen, C.W. Lauritzen, and Barbara
                     Gibbons in Logan Canyon, picture by B. Chadenet</unittitle>
            <unitdate encodinganalog="date" normal="1952" era="ce" calendar="gregorian" certainty="approximate">September 1952</unitdate>
          </did>
          <scopecontent>
            <p>Copy of 1:13:03</p>
          </scopecontent>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:17</unitid>
            <unittitle encodinganalog="title"> A typical diversion weir</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:18</unitid>
            <unittitle encodinganalog="title"> A typical diversion weir</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:19</unitid>
            <unittitle encodinganalog="title"> "Inlet portal Ephraim Tunnel 45 c.f.s. Man
                     standing in front of portal</unittitle>
            <unitdate encodinganalog="date" normal="1937" era="ce" calendar="gregorian" certainty="approximate">1937</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:20</unitid>
            <unittitle encodinganalog="title"> What appears to be a factory, observation
                     decks; </unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:21</unitid>
            <unittitle encodinganalog="title"> "Millard County Drainage District No. 3
              Dragline Excavator in operation"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:22</unitid>
            <unittitle encodinganalog="title"> "Millard County Dragline Excavator in
              operation"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:23</unitid>
            <unittitle encodinganalog="title"> "Colorado River Boulder Canyon showing site of
              the Boulder Dam" (Hoover Dam) construction</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:24</unitid>
            <unittitle encodinganalog="title"> "Utah State Agricultural College graduates
                     employed by the U.S. Bureau of Reclamation. Includes: Clayton Crane, Loran
                     Morrill, James Mandry, James Doman, Arch K. Hill, Ford Richards, George Birch,
                     Howard Larson, Cecil Bargeron, Robert Jennings, Uno Engstrum, J. Neil Murdock,
                     Wayne Cahoon, Owen Olsen, Elvin Rippon, Milton Barrett, J.R. Riter, Mr. Miner,
                     Legrande Rice, and Alexander Yeates"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:14:25</unitid>
            <unittitle encodinganalog="title"> "U.S. Bureau of Reclamation Owyhee Dam."
              Oregon</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">15</container>
          <unittitle encodinganalog="title">Photographs from O.W. Israelson USU
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:15:01</unitid>
            <unittitle encodinganalog="title"> Panoramic view of U.S. Bureau of Reclamation
                     Dam site. Contractor's buildings in center. Reclamation buildings. Probably
                     Deer Creek</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:02</unitid>
            <unittitle encodinganalog="title"> "Altus Project-Main canal, completed section of
              canal which was lined...Project Photograph No. A-1095"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:03</unitid>
            <unittitle encodinganalog="title"> "Modern methods and machinery improving and
              enlarging Provo Reservoir Canal in a big cut"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:04</unitid>
            <unittitle encodinganalog="title"> "U.S. Bureau of Reclamation Provo River No.
                     681. Placing reinforcement bars in highway siphon north of Kamas Town business
                     district. Weber-Provo Diversion Canal"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:05</unitid>
            <unittitle encodinganalog="title"> "U.S. Bureau of Reclamation Deer creek Project.
              Pouring concrete in trashrack"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:06</unitid>
            <unittitle encodinganalog="title"> "U.S. Bureau of Reclamation Deer Creek Dam,
              showing conduit below trashway. Armstrong in foreground"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:07</unitid>
            <unittitle encodinganalog="title"> "U.S. Bureau of Reclamation Deer Creek Dam
              Tunnel outlet," men and pipe pouring concrete</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:08</unitid>
            <unittitle encodinganalog="title"> "U.S. Bureau of Reclamation Deer Creek Dam
              showing trash rack and conduit for outlet works"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:09-13</unitid>
            <unittitle encodinganalog="title"> These pictures are believed to represent a
                     large earth dam visited by O.W.I. and A.A. Young. At the
                     Savage River Dam, near Riverside, California</unittitle>
            <unitdate encodinganalog="date" normal="19411006" era="ce" calendar="gregorian" certainty="approximate">October 6, 1941</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:14</unitid>
            <unittitle encodinganalog="title"> View of Bear Lake, looking toward the
              East</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:15-20</unitid>
            <unittitle encodinganalog="title"> "Davis and Weber Counties Canal Co. heading.
                     Photos by Wells A. Hutchins"</unittitle>
            <unitdate encodinganalog="date" normal="1936" era="ce" calendar="gregorian" certainty="approximate">1936</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:21-22</unitid>
            <unittitle encodinganalog="title"> "Davis and Weber Counties Canal Co. showing
                     headgate of North Branch, near Ogden. Photos by Wells A. Hutchins"</unittitle>
            <unitdate encodinganalog="date" normal="1936" era="ce" calendar="gregorian" certainty="approximate">1936</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:23</unitid>
            <unittitle encodinganalog="title"> "Logan, Hyde Park and Smithfield Irrigation Co.
                     Canal east of USAC Campus"</unittitle>
            <unitdate encodinganalog="date" normal="1936" era="ce" calendar="gregorian" certainty="approximate">1936</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:24</unitid>
            <unittitle encodinganalog="title"> "Logan, Hyde Park and Smithfield Irrigation Co.
                     Canal. Logan Canyon in background"</unittitle>
            <unitdate encodinganalog="date" normal="1936" era="ce" calendar="gregorian" certainty="approximate">1936</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:25-27</unitid>
            <unittitle encodinganalog="title"> "Logan Northern Irrigation Co. Canal at 2nd
                     North St., North Logan, Utah"</unittitle>
            <unitdate encodinganalog="date" normal="1936" era="ce" calendar="gregorian" certainty="approximate">1936</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:28</unitid>
            <unittitle encodinganalog="title"> "Cipolletti weir on lateral of Logan Northern
                     Irrigation Co at 2nd N. St., N. Logan, Utah"</unittitle>
            <unitdate encodinganalog="date" normal="1936" era="ce" calendar="gregorian" certainty="approximate">1936</unitdate>
            <physdesc>
              Negative available
            </physdesc>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:29</unitid>
            <unittitle encodinganalog="title"> "Irrigating cotton near State College, New
              Mexico, by the furrow method"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:30-31</unitid>
            <unittitle encodinganalog="title"> "Home of J.E. Christiansen, Irrigation and
                     Drainage Engineer, Salinity Laboratory, Riverside, California</unittitle>
            <unitdate encodinganalog="date" normal="1942" era="ce" calendar="gregorian" certainty="approximate">October 1942</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:32</unitid>
            <unittitle encodinganalog="title"> "U.S. Regional Salinity Laboratory
                     Administration Bldg</unittitle>
            <unitdate encodinganalog="date" normal="1942" era="ce" calendar="gregorian" certainty="approximate">October 1942</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:33</unitid>
            <unittitle encodinganalog="title"> "U.S. Bureau of Reclamation Shoshone Dam.
              Looking upstream</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:15:34</unitid>
            <unittitle encodinganalog="title"> Construction of a tunnel on the "Salt Lake
              aqueduct"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">16</container>
          <unittitle encodinganalog="title">Papers from O.W. Israelson USU binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:16:01</unitid>
            <unittitle encodinganalog="title"> Photograph description papers for "Scenes of
                     Mexico" numbers 740-800</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">January 1947</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">17</container>
          <unittitle encodinganalog="title">Photographs from O.W. Israelson USU
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:17:01-04</unitid>
            <unittitle encodinganalog="title"> Irrigation laboratory pictures, views of canal
              experiments in a laboratory</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
            <physdesc>
              (2 copies of each)
            </physdesc>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:17:05</unitid>
            <unittitle encodinganalog="title"> Unidentified farm homes</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930/1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:17:06</unitid>
            <unittitle encodinganalog="title"> "Irrigated alfalfa- sticks and third cutting-
              lower Yellowstone Project, Montana- North Dakota"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:17:07</unitid>
            <unittitle encodinganalog="title"> Irrigated sugar beet field</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:17:08</unitid>
            <unittitle encodinganalog="title"> Unidentified irrigated fields with mountains in
              the background</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:17:09</unitid>
            <unittitle encodinganalog="title"> View of the Salmon River Dam, Idaho</unittitle>
            <unitdate encodinganalog="date" normal="1911" era="ce" calendar="gregorian" certainty="approximate">May 1911</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:17:10</unitid>
            <unittitle encodinganalog="title"> Columbia River diverted into the Grand Coulee
                     dam under construction, closed cofferdam. Mailed </unittitle>
            <unitdate encodinganalog="date" normal="19361230" era="ce" calendar="gregorian" certainty="approximate">December 30, 1936</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:17:11</unitid>
            <unittitle encodinganalog="title"> View of Columbia River and Grand Coulee dam
              construction</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:17:12</unitid>
            <unittitle encodinganalog="title"> Lining canal in Middle Canyon, Tooele
              County</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:17:13</unitid>
            <unittitle encodinganalog="title"> Aerial view of Utah State University campus.
                     The Family Life, Ray B West, Mechanic Arts and Old Main buildings</unittitle>
            <unitdate encodinganalog="date" normal="1938" era="ce" calendar="gregorian" certainty="approximate">1938</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">18</container>
          <unittitle encodinganalog="title">Photographs from O.W. Israelson USU
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:18:01</unitid>
            <unittitle encodinganalog="title"> Ronald Reeve pointing out water as it first
              enters a canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:02</unitid>
            <unittitle encodinganalog="title"> Glen Stewart driving erosion pegs in a
              canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:03</unitid>
            <unittitle encodinganalog="title"> "Dragline digging open drain. D.D.
              #3"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:04</unitid>
            <unittitle encodinganalog="title"> "Darrel Peterson with equipment obtaining
              compaction samples of the compacted clay"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:05</unitid>
            <unittitle encodinganalog="title"> "Permeability measurement of natural soil in
              canal with constant head permeameter"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:06</unitid>
            <unittitle encodinganalog="title"> "Regraded canal looking toward Sta.
              0"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:07</unitid>
            <unittitle encodinganalog="title"> Spreading clay in a canal and compacting with
              wooden hammers</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:08</unitid>
            <unittitle encodinganalog="title"> Section of completed lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:09</unitid>
            <unittitle encodinganalog="title"> "Bridge gave way under a truck loaded with
              clay"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:10</unitid>
            <unittitle encodinganalog="title"> "Section of completed lined canal"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:11</unitid>
            <unittitle encodinganalog="title"> "Where the clay is to be obtained for lining
              the canal"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:12</unitid>
            <unittitle encodinganalog="title"> "Loading trucks with clay by hand"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:13-14</unitid>
            <unittitle encodinganalog="title"> "Dumping clay into a canal"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:15</unitid>
            <unittitle encodinganalog="title"> "Canal before regrading"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:16</unitid>
            <unittitle encodinganalog="title"> "Canal before regrading, men setting grade
              stakes"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:17</unitid>
            <unittitle encodinganalog="title"> "W.P.A. men shaping canal"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:18</unitid>
            <unittitle encodinganalog="title"> "Section of canal regraded ready for clay
              lining"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:19</unitid>
            <unittitle encodinganalog="title"> "Roller used to compact clay
              lining"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:20</unitid>
            <unittitle encodinganalog="title"> Rolling banks of a canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:21</unitid>
            <unittitle encodinganalog="title"> "Placing rip rap around bend on top of clay
              lining to prevent erosion"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:22-23</unitid>
            <unittitle encodinganalog="title"> "George Whornham inspecting canal as water is
                     first turned in"</unittitle>
            <unitdate encodinganalog="date" normal="19410508" era="ce" calendar="gregorian" certainty="approximate">May 8, 1941</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:24</unitid>
            <unittitle encodinganalog="title"> "Ronald Reeve with transit setting erosion
              pegs"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:25</unitid>
            <unittitle encodinganalog="title"> "Truck unloading gravel" into
              canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:26</unitid>
            <unittitle encodinganalog="title"> Spreading gravel in a canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:27</unitid>
            <unittitle encodinganalog="title"> Spreading and rolling gravel into the clay in a
              canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:28</unitid>
            <unittitle encodinganalog="title"> "C-Canal before regrading, grade stakes being
              set"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:29</unitid>
            <unittitle encodinganalog="title"> "C-Canal after regrading, WPA men at work
              regrading canal"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:30-32</unitid>
            <unittitle encodinganalog="title"> "O.W. Israelson and Ronald Reeve viewing water
              first turned in canal"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:33</unitid>
            <unittitle encodinganalog="title"> "O.W. Israelson as water was turned in
              canal"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:34</unitid>
            <unittitle encodinganalog="title"> Ronald Reeve in canal as the first water is
              turned in</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:18:35</unitid>
            <unittitle encodinganalog="title"> "Mr. and Mrs. O.W. Israelson observing water as
              first turned in" the canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">19</container>
          <unittitle encodinganalog="title">Photographs from O.W. Israelson USU binder. &gt;From
                  envelope labeled "Eldon Hauson Eng., Proj. 256, Lewiston-Cornish-Trenton
                  area"</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:19:01-05</unitid>
            <unittitle encodinganalog="title"> Man standing on a pipe which has water flowing
              out of it into a canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:19:06</unitid>
            <unittitle encodinganalog="title"> Man standing in waist-high grass</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:19:07</unitid>
            <unittitle encodinganalog="title"> View of a canal in Cornish, Utah</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:19:08</unitid>
            <unittitle encodinganalog="title"> View of a irrigation pipe in Cornish,
              Utah</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:19:09</unitid>
            <unittitle encodinganalog="title"> Irrigation canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:19:10</unitid>
            <unittitle encodinganalog="title"> Irrigation canal, cows along the bank.
              Fairview, Utah</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:19:11</unitid>
            <unittitle encodinganalog="title"> View of a canal filled with
              vegetation</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">20</container>
          <unittitle encodinganalog="title">Photographs from O.W. Israelson USU
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:20:01-06</unitid>
            <unittitle encodinganalog="title"> Miscellaneous photos of flooded railroad
              tracks, fields, flooded and irrigated fields, etc</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:20:07</unitid>
            <unittitle encodinganalog="title"> Field of onions in rows</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:20:08</unitid>
            <unittitle encodinganalog="title"> Field of barley, men stacking barley with a
              derrick into horse drawn wagons</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:20:09</unitid>
            <unittitle encodinganalog="title"> Farmer standing in a large field of grapes,
              Cache Valley, Utah</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">21</container>
          <unittitle encodinganalog="title">Photographs from O.W. Israelson USU
            binder</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:21:01</unitid>
            <unittitle encodinganalog="title"> "Canal and river near Yuma,
              Arizona"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:21:02</unitid>
            <unittitle encodinganalog="title"> "Flume of 500-sec. ft. capacity across Malad
              River in Box Elder County, Utah, built by a commercial company" </unittitle>
            <unitdate encodinganalog="date" normal="1900" era="ce" calendar="gregorian" certainty="approximate">1900</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:21:03</unitid>
            <unittitle encodinganalog="title"> "Natural irrigation water storage provided by
                     the snow cover on Sierra Nevada Mountains; looking toward California,
                     mid-January"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:21:04</unitid>
            <unittitle encodinganalog="title"> "Diversion dam and canal headgates on the
              Jordon River, Utah, south of Salt Lake City"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:21:05</unitid>
            <unittitle encodinganalog="title"> "The old Richmond Canal," typical Utah pioneer
                     canal</unittitle>
            <unitdate encodinganalog="date" normal="19480504" era="ce" calendar="gregorian" certainty="approximate">May 4, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:21:06</unitid>
            <unittitle encodinganalog="title"> "Leading irrigation and drainage officials of
              the Cub River irrigated area, northern Cache Valley." (9 men)</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:21:07</unitid>
            <unittitle encodinganalog="title"> measuring equipment, possibly a permeometer</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
            <physdesc>
              Two copies)
            </physdesc>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:21:08</unitid>
            <unittitle encodinganalog="title"> "Young sugar beets in Utah, to be irrigated by
              the furrow method"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:21:09</unitid>
            <unittitle encodinganalog="title"> "Celery on irrigated land near Salt Lake City,
              Utah"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:21:10</unitid>
            <unittitle encodinganalog="title"> "Boulder (Hoover) Dam and reservoir outlet
              towers and water surface"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:21:11</unitid>
            <unittitle encodinganalog="title"> Miscellaneous papers</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">22</container>
          <unittitle encodinganalog="title">Photographs from O.W. Israelson USU binder--
            "figures" section</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:22:01</unitid>
            <unittitle encodinganalog="title"> "Disposal chute, looking downhill. Drainage
                     District 5, Cache County, Utah"</unittitle>
            <unitdate encodinganalog="date" normal="1950" era="ce" calendar="gregorian" certainty="approximate">May 1950</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:02</unitid>
            <unittitle encodinganalog="title"> "Lewiston area. Surface water on beet field,
                     spring thaw"</unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">April 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:03</unitid>
            <unittitle encodinganalog="title"> "Section of canal in canyon (Logan Canyon?)
              showing concrete retaining walls to prevent earth slides"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:04</unitid>
            <unittitle encodinganalog="title"> "Spillway in canyon (Logan canyon?). Radial
              gates in canal and spillway." Close up view</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:05</unitid>
            <unittitle encodinganalog="title"> "Lewiston area." Typical corral with cattle,
                     shows high water table and flooded yards due to Spring thaw</unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">April 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:06</unitid>
            <unittitle encodinganalog="title"> "Lewiston area. Cultivated field showing water
                     table at surface"</unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">April 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:07</unitid>
            <unittitle encodinganalog="title"> "Lewiston area. High water table on cultivated
                     field Spring runoff"</unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">April 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:08</unitid>
            <unittitle encodinganalog="title"> "Lewiston area. Stubble field showing high
                     (surface) water table during Spring 'runoff.'" </unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">April 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:09</unitid>
            <unittitle encodinganalog="title"> "T.R. Holt and H.C. Pitcher, President, Cub
              River Irrigation Co. and Chairman"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:10</unitid>
            <unittitle encodinganalog="title"> Construction of a under-road culvert, looking
              down towards the Bear River</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:11</unitid>
            <unittitle encodinganalog="title"> Closer view of the construction of the
              under-road culvert, man and child standing on bank</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:12</unitid>
            <unittitle encodinganalog="title"> Construction of the under-road
              culvert</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:13</unitid>
            <unittitle encodinganalog="title"> Under-road culvert, view of a "graded" filter
              that was installed to improve the site</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:14</unitid>
            <unittitle encodinganalog="title"> Open drain on "S.H. Pond's farm" in Lewiston.
              Photo taken about two months after drain excavation</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:15</unitid>
            <unittitle encodinganalog="title"> "Field leveled at the side of the open drain
              ditch"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:16</unitid>
            <unittitle encodinganalog="title"> "Fields leveled at the side of the
              ditch"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:17</unitid>
            <unittitle encodinganalog="title"> "The result of letting the cows get into the
              ditch"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:18-19</unitid>
            <unittitle encodinganalog="title"> View of a ditch and place where irrigation
              water 'escaped' from it</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:20-21</unitid>
            <unittitle encodinganalog="title"> "Tules in open ditches, Lewiston 1st Ward
              property, Sec. 4 T 16 N R I E"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:22</unitid>
            <unittitle encodinganalog="title"> Close up view of the tules in ditch, Lewiston
              1st Ward property</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:23</unitid>
            <unittitle encodinganalog="title"> "Tules in open ditch. Note land
              wastage"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:22:24</unitid>
            <unittitle encodinganalog="title"> "Landslide at South Ogden. Covered eight acres
              of alfalfa"</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 1</container>
          <container type="folder">23</container>
          <unittitle encodinganalog="title">Photographs from O.W. Israelson USU binder-- from
            "extra figures" envelope</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>1:23:01</unitid>
            <unittitle encodinganalog="title"> "Section of canal in canyon (Logan Canyon?)
              showing concrete retaining walls to prevent earth slides." </unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
          <scopecontent>
            <p>Copy of 1:22:03</p>
          </scopecontent>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:23:02</unitid>
            <unittitle encodinganalog="title"> Disposal chute, looking uphill. Cache County,
                     Utah in </unittitle>
            <unitdate encodinganalog="date" normal="1950" era="ce" calendar="gregorian" certainty="approximate">May 1950</unitdate>
          </did>
          <scopecontent>
            <p>see 1:22:01</p>
          </scopecontent>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:23:03</unitid>
            <unittitle encodinganalog="title"> "Lewiston area. Sugar beet field in 1948-South
                     of a D Bodily's house-showing high water table </unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">April 1949</unitdate>
          </did>
          <scopecontent>
            <p>see 1:22:02</p>
          </scopecontent>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:23:04</unitid>
            <unittitle encodinganalog="title"> Spillway in canyon. Distant view of spillway,
              gates and canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
          <scopecontent>
            <p>see 1:22:04</p>
          </scopecontent>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:23:05</unitid>
            <unittitle encodinganalog="title"> Irrigation flume</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:23:06</unitid>
            <unittitle encodinganalog="title"> View of a canal and fence over
              canal</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:23:07</unitid>
            <unittitle encodinganalog="title"> Fence over canal, shows a headgate</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:23:08</unitid>
            <unittitle encodinganalog="title"> Laying a drain with an excavating
              machine</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:23:09</unitid>
            <unittitle encodinganalog="title"> View of path that was dug for a drain and the
              excavating machine</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>1:23:10</unitid>
            <unittitle encodinganalog="title"> Laying a drain, excavating machine and
              pipes</unittitle>
            <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
          </did>
          <scopecontent>
            <p> Negatives for 1:22:05 and 1:22:06. </p>
          </scopecontent>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">1</container>
          <unittitle encodinganalog="title">Spillways, Reservoirs, Gravel Traps, Drain Ditches, Pump Wells in Utah</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:01:01</unitid>
            <unittitle encodinganalog="title">"S-17710-C. Spillway and outlet from the Echo Reservoir."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:02</unitid>
            <unittitle encodinganalog="title">"This seven-foot-deep drain ditch empties into one of three reserviors. Weeds now grow where once there was only snow-white alkali."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:03</unitid>
            <unittitle encodinganalog="title">"This seven-foot-deep drain ditch empties into one of three reserviors. Weeds now grow where once there was only snow-white alkali."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:04</unitid>
            <unittitle encodinganalog="title">"On his farm, Senor Mortensen has three reserviors into which waste water drains. He has stocked this homemade lake with fresh water trout."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:05</unitid>
            <unittitle encodinganalog="title">"S-1719-C. Gravel trap in Salt Creek Canyon, Juab county, which has been constructed through the efrort of A. E. Smith, county agent, to keep the gravel which is carried down in high water, from coming onto the farms."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:06</unitid>
            <unittitle encodinganalog="title">"S-17772-C. Flood-control dam, Farmington, Utah."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:07</unitid>
            <unittitle encodinganalog="title">"S-17709-C. Echo Reservoir, Echo, Utah."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:08</unitid>
            <unittitle encodinganalog="title">"S-17707-C. Echo Reservoir, Echo, Utah.. United States reclamation project. Construction was started in 1927 and finished in 1930. Height of dam, 155 feet; length, 1887 feet; capactiy, 74,000 acre feet. This reservoir supplies water to farms in Weber and Davis Counties."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:09</unitid>
            <unittitle encodinganalog="title">"S-17707-C. Echo Reservoir, Echo, Utah.. United States reclamation project. Construction was started in 1927 and finished in 1930. Height of dam, 155 feet; length, 1887 feet; capactiy, 74,000 acre feet. This reservoir supplies water to farms in Weber and Davis Counties."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:10a</unitid>
            <unittitle encodinganalog="title">"S-17820-C. Showing sand and gravel trap, Salt Creek Canyon, Juab County, Utah."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:10b</unitid>
            <unittitle encodinganalog="title">"S-17820-C. Showing sand and gravel trap, Salt Creek Canyon, Juab County, Utah."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:11</unitid>
            <unittitle encodinganalog="title">"S-17713-C. Davis-Weber Canal at the mouth of Weber Canyon, Weber County."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:12</unitid>
            <unittitle encodinganalog="title">"S-17714-C. The diversion canal of the Davis-Weber Canal at the mouth of Weber Canyon, Weber County."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:13</unitid>
            <unittitle encodinganalog="title">"S-5012. Home reservoir fed by flowing well, Hooper Utah. (Harry Smith)."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:14</unitid>
            <unittitle encodinganalog="title">"S-20641-C. Hyrum-Wellsville Dam showing power ouse and cyphon for upper canal. Taken from East side."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:15</unitid>
            <unittitle encodinganalog="title">"S-5014. Flowing well which supplies small reservoir, Hooper, Utah. (Harry Smith)."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:16</unitid>
            <unittitle encodinganalog="title">"S-17719-C. Cement-lined canal north of Clearfield, Utah"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:17</unitid>
            <unittitle encodinganalog="title">"S-17761-C. Water funning from jets from the Witcher reservoir, Centerville, Utah."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:18</unitid>
            <unittitle encodinganalog="title">"S-17760-C. Farm reservoir of W. W. Witcher, Centerville, Utah. This reservoir holds 350,000 gallons and irrigates 13 acres of peach orchard land."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:19</unitid>
            <unittitle encodinganalog="title">"S-17717-C. Cement-lined Canal supplying Davis County farms, taken at East Clearfield. Due to the sandy formation of the soil, it was found necessary to cement this canal through the area to save the water from percolating through the soil."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:20</unitid>
            <unittitle encodinganalog="title">"S-17711-C. Spillway and outlet from the Echo Reservoir."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:21</unitid>
            <unittitle encodinganalog="title">"S-17855-C. Pump well on the farm of Ira W. Larsen, Brigham City which pumps 540 gallons per minute and irrigates a 51-acres orchard and truck garden with peaches, cherries, melons, cantaloupe and tomatoes. The well is 200 feet deep with the pump set at 120 feet."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:22a</unitid>
            <unittitle encodinganalog="title">"Pumping water for irrigation."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:22b</unitid>
            <unittitle encodinganalog="title">"W. J. Thayne, Farmington. Diversion weir constructed so as to control gravel in irrigation ditch. Looking down stream. Irrigation ditch on either side."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:23a</unitid>
            <unittitle encodinganalog="title">"W. J. Thayne, Farmington. Diversion weir constructed so as to control gravel in irrigation ditch. Looking up stream with irrigation ditch on either side."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:01:23b</unitid>
            <unittitle encodinganalog="title">"W. J. Thayne, Farmingtion. Sand and gravel trap in Farmingtion. Big Creek Constructed by L. M. Winsor."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box"> 2</container>
          <container type="folder">2</container>
          <unittitle encodinganalog="title">Irrigation Examples in Utah</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:02:01</unitid>
            <unittitle encodinganalog="title">"S-17762-C. Four-row method of peach orchard irrigation used by W. W. Witcher, Centerville, Utah."</unittitle>
            <unitdate>1950s</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:02:02</unitid>
            <unittitle encodinganalog="title">Reservoir</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:02:03</unitid>
            <unittitle encodinganalog="title">"S-20642-C1. West side of Hyrum Dam looking East, taken just above power house."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:02:04</unitid>
            <unittitle encodinganalog="title">"S-20644-C1. Spillway on Hyrum Dam, Looking East, Showing let-out gates."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:02:05</unitid>
            <unittitle encodinganalog="title">"S-20643-C1. Spillway on Hyrum dam, looking West."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:02:06</unitid>
            <unittitle encodinganalog="title">Hugo Hunt Well. 6 mi. east of Lund, Utah. Fairbank's Morse "Y" Engine.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:02:07</unitid>
            <unittitle encodinganalog="title">"S-20640-C1. Hyrum - Wellsville Water Storage Reservoir."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:02:08</unitid>
            <unittitle encodinganalog="title">"July 22, 1957. Members of I.C.A. Irrigation Short Course (Utah State) conducted by State College of Washington at U.S. Bureau of Reclamation in Ephrata, Washington on July 10 through July 25, 1957. First row, left to right: Jose O. Juag of Philippines; Marcial G. Guzman of Phillippines; Santiago Flores Villarreal of Costa Rica; Vasilos Karavios of Greece; Isidro Calusin Abcede of Philippines; Alexander Helbetz of Israel. Second row, left to right: Maximo Alcala Reynoso of Philippines; Perfecto Corpus Camanga of Phillippines; Hsui-lin Wang of Republic of China; Thunya Pholsobut of Thailand; Jakov Sunjic of Yugoslavia; Ruy Silva Vecchi of Brazil. Third row, left to right: P. R. Nalder, Columbia Basin Prject Manager; Jacinto Torres Reyes of Philippines; Saifuddin M Shansab of Afganistan; Kazushi Oshima of Japan; Professor Day Bassett of Washington State College. Fourth row, left to right: L. V. Downs, Columbia Basin Project Asst. Manager; Hugh H. Moncrief, Administrative Assistant, U.S. Bureau of Reclamation; James R. Barker, Tour Leader, Professor at Utah State Agricultural College."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:02:09</unitid>
            <unittitle encodinganalog="title">Brock Ranches, Research and Experimental Farm.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:02:10</unitid>
            <unittitle encodinganalog="title">"1: Anderson. 2: Yeilles. 3: Teasor. 4: Brown."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">3</container>
          <unittitle encodinganalog="title">Practices and Principles short course, persons</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:03:01</unitid>
            <unittitle encodinganalog="title">"Participants of 1963 Practices and Principles Short Course. AID, USDA, USU."</unittitle>
            <unitdate encodinganalog="date" normal="1963" era="ce" calendar="gregorian" certainty="approximate">1963</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:02</unitid>
            <unittitle encodinganalog="title">"Participants of 1964 Irrigation Problems and Practices Short Course. AID, USAD, USU."</unittitle>
            <unitdate encodinganalog="date" normal="1964" era="ce" calendar="gregorian" certainty="approximate">1964</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:03</unitid>
            <unittitle encodinganalog="title">"Mr. and Mrs. James R. Barker, Utah."</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:04</unitid>
            <unittitle encodinganalog="title">Fuad Aghabi, Jordan. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:05</unitid>
            <unittitle encodinganalog="title">Mohamed Badawi, Egybt. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:06</unitid>
            <unittitle encodinganalog="title">Dursun Cuhadarglu, Turkey. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:07</unitid>
            <unittitle encodinganalog="title">Pracheen Chumnan Rabiebkij, Thailand. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:08</unitid>
            <unittitle encodinganalog="title">Gabriel Echeverry, Colombia. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:09</unitid>
            <unittitle encodinganalog="title">Reinaldo Godoy, Brazil. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:10</unitid>
            <unittitle encodinganalog="title">Orlando Henley, Panama. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:11</unitid>
            <unittitle encodinganalog="title">Jose Monge, Colombia. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:12</unitid>
            <unittitle encodinganalog="title">Carlos Molestina, Peru. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:13</unitid>
            <unittitle encodinganalog="title">Ismai L. Hamamcioglu, Turkey. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:14</unitid>
            <unittitle encodinganalog="title">Ju Sung Liu, China. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:15</unitid>
            <unittitle encodinganalog="title">Ly. Dai, Vietnam. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:16</unitid>
            <unittitle encodinganalog="title">Paitoon Palaysoot, Thailand. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:17</unitid>
            <unittitle encodinganalog="title">Alvaro Pardo, Colombia. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:18</unitid>
            <unittitle encodinganalog="title">Kraiwan Wichitra, Thailand. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:19</unitid>
            <unittitle encodinganalog="title">Stanley Schur, Rhodesia. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:03:20</unitid>
            <unittitle encodinganalog="title">Mohamed R. Kara, Tanzania. Participant of 1962 Irrigation Practices and Principles Short Course. AID, USDA, USU.</unittitle>
            <unitdate encodinganalog="date" normal="1962" era="ce" calendar="gregorian" certainty="approximate">1962</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">4</container>
          <unittitle encodinganalog="title">Persons and places</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:04:01</unitid>
            <unittitle encodinganalog="title">"Sprinkling in Idaho."</unittitle>
            <unitdate encodinganalog="date" normal="1958" era="ce" calendar="gregorian" certainty="approximate">1958</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:02</unitid>
            <unittitle encodinganalog="title">"Cedar City. Using a cox gage to determine velocity in a pipe."</unittitle>
            <unitdate encodinganalog="date" normal="1958" era="ce" calendar="gregorian" certainty="approximate">1958</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:03</unitid>
            <unittitle encodinganalog="title">"Ditch living a practical application."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:04</unitid>
            <unittitle encodinganalog="title">"1st row, left to right: Asst. Project Manager, L. V. Downs; Tour leader James R. Barker of Utah State University. 2nd row, left to right: Mohammed Siddiq of Afganistan; Amir Iravani of Iran; Suwat Keowpuangsek of Thailand; Muhammad A. Hafeez Khan of Pakistan; Charin Atthayodhin of Thailand; Mario Barasorda of Chile. 3rd row, left to right: Martin Pilar of Yugoslavia; Hilton Ahiram da Silveira of Brazil; Fabio de Novaes of Brazil; Jose Manuel Lizarraga of Peru; Sandoval Fernando Lanza of Honduras; Ivo Sabino da Costa Gomes of Brazil; Thomas Kyriakas Maravelias of Greece. 4th row, left to right: Yoshio Ikushima of Japan; George Sotirios Vafidis of Greece; Djordiji Vlaski of Yugoslavia; Lucio Tarquinio Carneiro de Cunha Washington of Brazil; Kiyomitsu Yukawa of Japan; Mel Hagood of Grant County Extension Service. 5th row, left to right: Stevan Apatocki of Yugoslavia; Hugh H. Moncrief, Admin. Asst. to the Project Manager, USBR, Ephrata; John Henry de la Fontaine Verway of Brazil. July 17, 1958."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:05</unitid>
            <unittitle encodinganalog="title">Sprinkling system on the quad at USU.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:06</unitid>
            <unittitle encodinganalog="title">Sprinkling system on the quad at USU.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:07</unitid>
            <unittitle encodinganalog="title">Sprinkling system on the quad at USU.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:08</unitid>
            <unittitle encodinganalog="title">Sprinkling system on the quad at USU.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:09</unitid>
            <unittitle encodinganalog="title">"Wind storm effects Weber Co."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:10</unitid>
            <unittitle encodinganalog="title">"1963 class explaining soil samples on the Sacramento River near Davis, Calif."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:11</unitid>
            <unittitle encodinganalog="title">Man next to irrigation ditch.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:12</unitid>
            <unittitle encodinganalog="title">"Water Witching: 1. Macef. 2. Vaughters. 3. McMurry. 4. Teaser. 5. Domka. 6. Mikzgar."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:13</unitid>
            <unittitle encodinganalog="title">"1964 Class at Ephrata Wash."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:14</unitid>
            <unittitle encodinganalog="title">Canal</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:15</unitid>
            <unittitle encodinganalog="title">Photo from Maximo A. Reynoso to Prof. Barker.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:16</unitid>
            <unittitle encodinganalog="title">People watching from a walkway of a wall of a dam (?).</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:17</unitid>
            <unittitle encodinganalog="title">People watching from a walkway of a wall of a dam (?).</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:18</unitid>
            <unittitle encodinganalog="title">Field irrigation ditches.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:19</unitid>
            <unittitle encodinganalog="title">Field sprinkling system.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:20</unitid>
            <unittitle encodinganalog="title">Field with freshly dug ditches.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:04:21</unitid>
            <unittitle encodinganalog="title">Man standing in large puddle of water.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">5</container>
          <unittitle encodinganalog="title">Negatives</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:05:01</unitid>
            <unittitle encodinganalog="title">"Irrigation Short Course." (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1966" era="ce" calendar="gregorian" certainty="approximate">1966</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:05:02-08</unitid>
            <unittitle encodinganalog="title">Photos of workers constructing a cement lined canal. (negatives)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">6</container>
          <unittitle encodinganalog="title">Negatives</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:06:01</unitid>
            <unittitle encodinganalog="title">Train going by a house. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:02</unitid>
            <unittitle encodinganalog="title">A study room, perhaps a library. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:03</unitid>
            <unittitle encodinganalog="title">Foyer. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:04</unitid>
            <unittitle encodinganalog="title">Woman in library. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:05</unitid>
            <unittitle encodinganalog="title">"Thomas Sherrat Smart. Cache Valley pioneer and benefactor to USU. Copied from original tintype in possession of Tom Smart, chief Photographer, Deseret News." (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:06</unitid>
            <unittitle encodinganalog="title">Line of people to check out. Location unknown. (negative available)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:07</unitid>
            <unittitle encodinganalog="title">People at a library (?) (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:08</unitid>
            <unittitle encodinganalog="title">People at a library (?) (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:09</unitid>
            <unittitle encodinganalog="title">"Library. North Main Entrance." (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:10</unitid>
            <unittitle encodinganalog="title">Library shelf of books. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:11</unitid>
            <unittitle encodinganalog="title">Large study hall. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:12</unitid>
            <unittitle encodinganalog="title">Man studying in the library. (negative available)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:13</unitid>
            <unittitle encodinganalog="title">Group of students in the library. (negative available)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:14</unitid>
            <unittitle encodinganalog="title">Old Main tower. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:06:15</unitid>
            <unittitle encodinganalog="title">View of Logan. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">7</container>
          <unittitle encodinganalog="title">Negatives</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:07:01</unitid>
            <unittitle encodinganalog="title">Large camp site with lots of people and teepees. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:07:02</unitid>
            <unittitle encodinganalog="title">"Summer tipi made of interwoven rushes and willows." (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:07:03</unitid>
            <unittitle encodinganalog="title">Sculpture of Old Ephraim. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:07:04</unitid>
            <unittitle encodinganalog="title">"Shoshoni dancers ready for Drum Dance." (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:07:05</unitid>
            <unittitle encodinganalog="title">Unidentified man. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:07:06</unitid>
            <unittitle encodinganalog="title">Unidentified man in Native American attire. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:07:07</unitid>
            <unittitle encodinganalog="title">"Ration Day at Fort Hall Agency." (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:07:08</unitid>
            <unittitle encodinganalog="title">General Patrick E. Connor. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:07:09</unitid>
            <unittitle encodinganalog="title">"The Honorable Hudson Bay Company." (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:07:10</unitid>
            <unittitle encodinganalog="title">Group eating after making camp. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:07:11</unitid>
            <unittitle encodinganalog="title">"Edison Phonographs." (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">8</container>
          <unittitle encodinganalog="title">Negatives</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:08:01</unitid>
            <unittitle encodinganalog="title">Sculpture of an animal. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:08:02</unitid>
            <unittitle encodinganalog="title">Inside a factory. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:08:03</unitid>
            <unittitle encodinganalog="title">"Lundstrom Furniture and Carpeting." (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:08:04</unitid>
            <unittitle encodinganalog="title">"Washakie Day School, Washakie Reservation, Utah." (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:08:05</unitid>
            <unittitle encodinganalog="title">Old Main. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:08:06</unitid>
            <unittitle encodinganalog="title">Old Main before the tower was built. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:08:07</unitid>
            <unittitle encodinganalog="title">"Despair." Painting. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:08:08</unitid>
            <unittitle encodinganalog="title">Unknown building. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:08:09</unitid>
            <unittitle encodinganalog="title">Farmer. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:08:10</unitid>
            <unittitle encodinganalog="title">Unknown building. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">9</container>
          <unittitle encodinganalog="title">Negatives</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:09:01</unitid>
            <unittitle encodinganalog="title">Man and his horse with a dead cow. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:09:02</unitid>
            <unittitle encodinganalog="title">Unknown building. (negative)</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">10</container>
          <unittitle encodinganalog="title">Irrigation Projects, unnamed</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:10:01-23</unitid>
            <unittitle encodinganalog="title">Photos of various irrigation projects, unnamed</unittitle>
            <unitdate encodinganalog="date" normal="1960/1969" era="ce" calendar="gregorian" certainty="approximate">1960-1969</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">11</container>
          <unittitle encodinganalog="title">Persons, Buildings, Train</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:11:01</unitid>
            <unittitle encodinganalog="title">"Mule train to bottom of Grand Canyon."</unittitle>
            <unitdate encodinganalog="date" normal="1930" era="ce" calendar="gregorian" certainty="approximate">October 1930</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:11:02</unitid>
            <unittitle encodinganalog="title">"LDH Cole. Wedding picture. Clara Belle Switzer married."</unittitle>
            <unitdate encodinganalog="date" normal="18861210">December 10, 1886</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:11:03</unitid>
            <unittitle encodinganalog="title">Leland Stanford.</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:11:04</unitid>
            <unittitle encodinganalog="title">Unidentified man.</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:11:05</unitid>
            <unittitle encodinganalog="title">"Whitney Factory. Said to be first campaign of 1922. Notice scaffolding up around Boiler House. Looking North West. Photo from Bill Owens."</unittitle>
            <unitdate encodinganalog="date" normal="1920/1929" era="ce" calendar="gregorian" certainty="approximate">1920-1929</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:11:06</unitid>
            <unittitle encodinganalog="title">"Lewiston Sugar factory, ca. 1905. Looking east. Photo from Bill Owens."</unittitle>
            <unitdate encodinganalog="date" normal="1900/1910" era="ce" calendar="gregorian" certainty="approximate">1900-1910</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:11:07</unitid>
            <unittitle encodinganalog="title">"Utah and Northern Mogul as she appeared with a mixed train at Logan, Utah, about 1885. The building with the smoke-jacks in the left background is the Logan roundhouse. Note the gent with the derby supporting his high-wheeled bycicle on the station platform."</unittitle>
            <unitdate encodinganalog="date" normal="1885" era="ce" calendar="gregorian" certainty="approximate">1885</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">12</container>
          <unittitle encodinganalog="title">Persons, Drains, Cache Valley</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:12:01</unitid>
            <unittitle encodinganalog="title">Unidentified man.</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:12:02</unitid>
            <unittitle encodinganalog="title">Orson Israelsen.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:12:03</unitid>
            <unittitle encodinganalog="title">"These 32 students at the Utah State College Irrigation Short Course. Represents 13 countries' interest in World Progress in Irrigation and Drainage."</unittitle>
            <unitdate encodinganalog="date" normal="1953" era="ce" calendar="gregorian" certainty="approximate">1953</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:12:04</unitid>
            <unittitle encodinganalog="title">"Lewiston Drainage District No. 3, open drain illustraing waste of land with wide spoil bank. Total width drain and bank - 80 feet."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:12:05</unitid>
            <unittitle encodinganalog="title">"Lewiston Area typical open drain parallel to and near a canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:12:06</unitid>
            <unittitle encodinganalog="title">"East outlet - end of pipe drain soon after installation showing yield of approximately 40 gpm flowing from drain."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:12:07</unitid>
            <unittitle encodinganalog="title">"New drain, Lewiston Area, 5 months after construction. Drain owned by Cache County Drainage District No. 3."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">13</container>
          <unittitle encodinganalog="title">Humboldt Project, Lovelock, Nevada. Photographs by Forrest H. Coulter, Engr. (bound in report)</unittitle>
          <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:13:01</unitid>
            <unittitle encodinganalog="title">"Looking sound down Humbolt River away from gate deck - Rye Patch Dam. (1) Gaging Sta. Cableway, (2) Outlets. Hunboldt Project, Lovelock, Nevada."</unittitle>
            <unitdate encodinganalog="date" normal="19470220" era="ce" calendar="gregorian" certainty="approximate">1947 July 20</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:02</unitid>
            <unittitle encodinganalog="title">"Rye Patch Dam spillways, Humboldt River Project-Lovelock, Nevada."</unittitle>
            <unitdate encodinganalog="date" normal="19470720" era="ce" calendar="gregorian" certainty="approximate">1947 July 20</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:03</unitid>
            <unittitle encodinganalog="title">"View of downstream face of Rye Patch Dam, Humboldt Project, Lovelock, Nevada."</unittitle>
            <unitdate encodinganalog="date" normal="19470720" era="ce" calendar="gregorian" certainty="approximate">1947 July 20</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:04</unitid>
            <unittitle encodinganalog="title">"Dike across River at Big 5 Diversion. Note change in color half way up back in foreground; it is not moisture. Near S¼ Cor. of Sec. 2, T. 25 N- R 31 E. Humboldt Proj. Low area to right of dike in background is reservoir known as Locelock Land and Development Co. Reservoir. Covered ¾ section- few feet deep."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:05</unitid>
            <unittitle encodinganalog="title">"New grain on field put in first time in many years. Next year much of this crust will be gone. In extreme lower valley of Humbodt Project."</unittitle>
            <unitdate encodinganalog="date" normal="19470720" era="ce" calendar="gregorian" certainty="approximate">1947 July 20</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:06</unitid>
            <unittitle encodinganalog="title">"In S.W. Corner of project. White is a small puddle evaporated. Note salt left on surface. Humboldt Project, Lovelock, Nevada."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:07</unitid>
            <unittitle encodinganalog="title">"Looking NW toward Big 5 Diversion. Note crusts on ground and change in color not due to moisture (directly). This is the end of Humboldt River unless Rye Patch spills. Near S¼ Cor. Sec. 2 T 25 N- R 31 E."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:08</unitid>
            <unittitle encodinganalog="title">"Wheat fielf of C. C. Carpenter. Lower Lovelock Valley, Nevada."</unittitle>
            <unitdate encodinganalog="date" normal="19470717" era="ce" calendar="gregorian" certainty="approximate">1947 July 17</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:09</unitid>
            <unittitle encodinganalog="title">"Lovelock slough at north outskirts of Lovelock, Nev. Lowering of water table is here limited to elevation of highway culvert."</unittitle>
            <unitdate encodinganalog="date" normal="19470801" era="ce" calendar="gregorian" certainty="approximate">1947 August 1</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:10</unitid>
            <unittitle encodinganalog="title">"Another water table lake. Dry by mid-August."</unittitle>
            <unitdate encodinganalog="date" normal="19470715" era="ce" calendar="gregorian" certainty="approximate">1947 July 15</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:11</unitid>
            <unittitle encodinganalog="title">"Lake caused by high water table on Humboldt Proj., Nev. Old channel is a heavy contributor. Young Canal also furnishes some. Was dry by mid-August. Upper Valley, Lovelock, Nevada."</unittitle>
            <unitdate encodinganalog="date" normal="19470715" era="ce" calendar="gregorian" certainty="approximate">1947 July 15</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:12</unitid>
            <unittitle encodinganalog="title">"50' land plane used for land preparation in the Lower Valley. Note type of work done in the background. Humboldt Proj., Lovelock, Nev."</unittitle>
            <unitdate encodinganalog="date" normal="19470715" era="ce" calendar="gregorian" certainty="approximate">1947 July 15</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:13</unitid>
            <unittitle encodinganalog="title">"Some of the machinery used by the larger and more progressive land operators in the Lower Valley. Humboldt Proj., Lovelock, Nevada."</unittitle>
            <unitdate encodinganalog="date" normal="19470715" era="ce" calendar="gregorian" certainty="approximate">1947 July 15</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:14</unitid>
            <unittitle encodinganalog="title">"Tail-end of the Big 5 diversion. While this structure carries occasional automobiles, it is in very bad shape. Diversion structure - upper end - has been replaced and is adequate."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:15</unitid>
            <unittitle encodinganalog="title">"Young Flume across Humboldt River. Note the dollars leaking out through the flume (see arrow)."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:16</unitid>
            <unittitle encodinganalog="title">"Flume of the Rodgers System. Water, diverted east side of iver is here carried to west bank. North of W¼ cor. Sec. 25/ T. 27 N, R 31 E. Humboldt Project, Lovelock, Nev."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:17</unitid>
            <unittitle encodinganalog="title">"Divider. Union Canal takes off to left. The old Channel Ditch takes off to the right."</unittitle>
            <unitdate encodinganalog="date" normal="19470701" era="ce" calendar="gregorian" certainty="approximate">1947 July 1</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:18</unitid>
            <unittitle encodinganalog="title">"Irish American headgate. Humboldt Project, Lovelock, Nevada. Near SW cor. Sec. 8, T. 27 N, R 32 E."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:19</unitid>
            <unittitle encodinganalog="title">"Young Flume across the Humboldt River. Note leaks (arrows)."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:20</unitid>
            <unittitle encodinganalog="title">"Diversion of Feeder Canal for upper and lower Pitt-Taylor Reservoirs. Near Imlay, Nevada."</unittitle>
            <unitdate encodinganalog="date" normal="19470720" era="ce" calendar="gregorian" certainty="approximate">1947 July 20</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:21</unitid>
            <unittitle encodinganalog="title">"Diversion of Feeder Canal -- ± miles above Lovelock on Humboldt River near Imlay. Diverted water goes to Upper Pitt-Taylor. From there it dumps into Lower Pitt-Taylor and then into Rye Patch Res. If it is not diverted it goes directly to Rye Patch."</unittitle>
            <unitdate encodinganalog="date" normal="19470720" era="ce" calendar="gregorian" certainty="approximate">1947 July 20</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:22</unitid>
            <unittitle encodinganalog="title">"Bridge carries Southern Pacific R.R. over Army drain south of Natural Dam. Just below here, Army drain ends - water spreads to White Plains. Note Ralph Westergaurd holding hand in high water mark. Bents at 16' c. (Bridge #321-72)."</unittitle>
            <unitdate encodinganalog="date" normal="19470701" era="ce" calendar="gregorian" certainty="approximate">1947 July 1</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:23</unitid>
            <unittitle encodinganalog="title">"Rodgers Headgate structure, new and good. Jerry Wignall, State Hydrographer, at crank. Humboldt Proj., Lovelock, Nev."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:24</unitid>
            <unittitle encodinganalog="title">"New Rodgers Diversion Dam, completed in 1946, cost $40,000. Water is diverted into Rodgers Canal from pond above dam."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:25</unitid>
            <unittitle encodinganalog="title">"Jerry Wignal, State Hydrographer, measuring at Sommers Diversion."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:26</unitid>
            <unittitle encodinganalog="title">"Overflow section - Sommers diversion. Humboldt Proj."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:27</unitid>
            <unittitle encodinganalog="title">"Headworks of the "17 Ditch" ± 100' south of Big 5 Diversion. Concrete in good shape; filling below in need of riprap."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:28</unitid>
            <unittitle encodinganalog="title">"Irish-American Diversion Dam. This provides pond from which water is diverted by headgate."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:29</unitid>
            <unittitle encodinganalog="title">"Downstream side of the Pitt Diversion Dam. Structure is not in good shape - is not reliable."</unittitle>
            <unitdate encodinganalog="date" normal="19470801" era="ce" calendar="gregorian" certainty="approximate">1947 August 1</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:30</unitid>
            <unittitle encodinganalog="title">"Upper side of the Pitt Diversion Dam. Union Canal and Old Channel Ditch divert just to rear of camera. They divide ¼ mile west as per photo."</unittitle>
            <unitdate encodinganalog="date" normal="19470801" era="ce" calendar="gregorian" certainty="approximate">1947 August 1</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:31</unitid>
            <unittitle encodinganalog="title">"Looking west toward R.R. Bridge #321.72 from cut through Natural Dam below Humboldt Lakes. See bridge at extreme end of channel. Channel empies into "White Plains.""</unittitle>
            <unitdate encodinganalog="date" normal="19470701" era="ce" calendar="gregorian" certainty="approximate">1947 July 1</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:32</unitid>
            <unittitle encodinganalog="title">"Army Drain dredged across old lake bed out to where present lake stands. Only water in picture is beyond dark line to right of end of channel. Length of both lakes is possibley 15 miles. Lower lake is nearly dry now (10-16-1947)."</unittitle>
            <unitdate encodinganalog="date" normal="19470701" era="ce" calendar="gregorian" certainty="approximate">1947 July 1</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:33</unitid>
            <unittitle encodinganalog="title">"Army Drain. Looking south toward Natural Dam. Flow is practically zero. Has carried flow 6 feet deep."</unittitle>
            <unitdate encodinganalog="date" normal="19470701" era="ce" calendar="gregorian" certainty="approximate">1947 July 1</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:34</unitid>
            <unittitle encodinganalog="title">"Pitt Drain - dug Dec. 1946."</unittitle>
            <unitdate encodinganalog="date" normal="19470715" era="ce" calendar="gregorian" certainty="approximate">1947 July 15</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:35</unitid>
            <unittitle encodinganalog="title">"Dragline cleaning drain. Note that mud comes in to level of water table. Continued digging below this level causes banks to cave in. Continued digging below this level causes banks to cave in. Drain gets wider but not deeper. After ground has drained some deepening may be possible, if not it must be deepend when frozen."</unittitle>
            <unitdate encodinganalog="date" normal="19470715" era="ce" calendar="gregorian" certainty="approximate">1947 July 15</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:36</unitid>
            <unittitle encodinganalog="title">"Placing culvert in roadway during drain cleaning job. Foundation material is quicksand. Pipe was rolled into trench and lowerd to desired elevation by dropping loaded bucket on it."</unittitle>
            <unitdate encodinganalog="date" normal="19470715" era="ce" calendar="gregorian" certainty="approximate">1947 July 15</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:37</unitid>
            <unittitle encodinganalog="title">"Dragline removing earth over and above culvert under roadway. Had to tear it out and rebuild it."</unittitle>
            <unitdate encodinganalog="date" normal="19470715" era="ce" calendar="gregorian" certainty="approximate">1947 July 15</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:38</unitid>
            <unittitle encodinganalog="title">"Drain being cleaned. Level of mud is at elevation of water table."</unittitle>
            <unitdate encodinganalog="date" normal="19470715" era="ce" calendar="gregorian" certainty="approximate">1947 July 15</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:39</unitid>
            <unittitle encodinganalog="title">"Dragline cleaning drain."</unittitle>
            <unitdate encodinganalog="date" normal="19470718" era="ce" calendar="gregorian" certainty="approximate">1947 July 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:40</unitid>
            <unittitle encodinganalog="title">"District drain 3¼ miles from outlet. One mile south from here drain runs west 2¼ miles to empty in upper end of Upper Lake."</unittitle>
            <unitdate encodinganalog="date" normal="19470707" era="ce" calendar="gregorian" certainty="approximate">1947 July 7</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:41</unitid>
            <unittitle encodinganalog="title">"Newly-cleaned drain. Note condition of banks and sloughed-in material."</unittitle>
            <unitdate encodinganalog="date" normal="19470715" era="ce" calendar="gregorian" certainty="approximate">1947 July 15</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:42</unitid>
            <unittitle encodinganalog="title">"Pitt Drain. Built by Taylor through Pitt Ranch. Cost $60,000. Lined with California red-wood. Yield is low. Area adjacent is well-drained."</unittitle>
            <unitdate encodinganalog="date" normal="19470715" era="ce" calendar="gregorian" certainty="approximate">1947 July 15</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:43</unitid>
            <unittitle encodinganalog="title">"Drain dug by Army Engineers Flood Control Project. Q here =±30.0 c.f.s."</unittitle>
            <unitdate encodinganalog="date" normal="19470715" era="ce" calendar="gregorian" certainty="approximate">1947 July 15</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:44</unitid>
            <unittitle encodinganalog="title">"Looking west down Young Canal after flume crossing shown in other pictures. Losses over entire length approach 50% of diverted water."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:45</unitid>
            <unittitle encodinganalog="title">"Old Channel Ditch - an old river channel. Irregular, deep, flat. Losses per year over 2 miles estimated to be $10,000. Heavy contributor to a dangerously high water table right adjacent."</unittitle>
            <unitdate encodinganalog="date" normal="19470701" era="ce" calendar="gregorian" certainty="approximate">1947 July 1</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:46</unitid>
            <unittitle encodinganalog="title">"Looking downstream from Rodgers dviersion."</unittitle>
            <unitdate encodinganalog="date" normal="19470618" era="ce" calendar="gregorian" certainty="approximate">1947 June 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:47</unitid>
            <unittitle encodinganalog="title">" 'Airport' recorder station. This drain carries 99% of district drainage. A new carrier drain is being dug along foothills at (1) to relieve this drain of some load."</unittitle>
            <unitdate encodinganalog="date" normal="19470712" era="ce" calendar="gregorian" certainty="approximate">1947 July 12</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:48</unitid>
            <unittitle encodinganalog="title">"Drain on Pitt Ranch and "Pitt" recorder station. Humboldt Project. Drain dug during December 1946."</unittitle>
            <unitdate encodinganalog="date" normal="19470718" era="ce" calendar="gregorian" certainty="approximate">1947 July 18</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:49</unitid>
            <unittitle encodinganalog="title">"Putting finishing touches on gaging bridger - Big 5 recorder station."</unittitle>
            <unitdate encodinganalog="date" normal="19470714" era="ce" calendar="gregorian" certainty="approximate">1947 July 14</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:50</unitid>
            <unittitle encodinganalog="title">"At head of the Young Canal. Boards in these channels cause back water from which pond water flows into the Young. Lovelock, Nev."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">November 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:51</unitid>
            <unittitle encodinganalog="title">"Dam causing pond from which Young Canal diverts."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">October1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:52</unitid>
            <unittitle encodinganalog="title">"Piezometer driver, 2x4 lever which has pipe clutcher. pusing piezometer down. Pipe can be pulled, also. Idea and developent by Forrest H. Coulter."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:53</unitid>
            <unittitle encodinganalog="title">"Permeameter set-up, 2nd canal study, Humboldt Proj., Nevada. 3 more piezometers installed after photo was made."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:54</unitid>
            <unittitle encodinganalog="title">"Young Canal seepage loss study. Permeameter installed in Young Canal. (See first part of report)."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">October 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:55</unitid>
            <unittitle encodinganalog="title">"Piezometers and permeameter used in second canal study on Young Canal. Three more piezometers were put in after this picture was taken."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:56</unitid>
            <unittitle encodinganalog="title">"Lower weir - first experiment before filling. Note: east lateral to leaft, west lateral at our right elbow. This is "divider weir" in second test."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:57</unitid>
            <unittitle encodinganalog="title">"Lower or divider weir, Young Canal loss study, Humboldt Project, Nevada. Note east lateral to right, west lateral to left."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:58</unitid>
            <unittitle encodinganalog="title">"Lower or divider weir (before attachment was put on). Young seepage studd."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">October - November1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:59</unitid>
            <unittitle encodinganalog="title">"View of upper weir near end of first test study. Weir is aerated. Upper side of dam is paper covered."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">November 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:60</unitid>
            <unittitle encodinganalog="title">"Upper weir - first seepage study. Young Canal, Humboldt Project, Nevada. Dam was well-made, very small losses."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:61</unitid>
            <unittitle encodinganalog="title">"Another view of upper weir, Young Canal losses study, Humboldt Project, Nevada."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:62</unitid>
            <unittitle encodinganalog="title">"This is the upper weir in the first seepage study. Differenc in water surfaces only about 0.4 foot. The weir was aerated, however, and believed correct. An attachment at lower weir simulated this condition."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:63</unitid>
            <unittitle encodinganalog="title">"Upper weir, first study. Note how dry downstream face is. Young Canal loss study. Humboldt Proj., Nev."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:13:64</unitid>
            <unittitle encodinganalog="title">"End of outlet drain, Lovelock, Nevada. Humboldt Lake in background."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">November 1947</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">14</container>
          <unittitle encodinganalog="title">Utah Lake Project, Utah. (from COLL MSS 31 OWI Box 42; Fd. 3)</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:14:01</unitid>
            <unittitle encodinganalog="title">Title page, "Photographs Relating to Construction Methods and Materials - Goshen Bay."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:02</unitid>
            <unittitle encodinganalog="title">"View No. 1 looking north toward tests Nos. 3 and 6. Loading of test No. 3 just completed, loading of test No. 6 completed one day previous."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:03</unitid>
            <unittitle encodinganalog="title">"View of No. 2 looking northwest from Lincoln Beach toward tests Nos. 3 and 6."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:04</unitid>
            <unittitle encodinganalog="title">"View of No. 3. Loading of test equipment at Lincoln Beach."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:05</unitid>
            <unittitle encodinganalog="title">"View of No. 4. Looking northwest toward No. 7 loading completed, and test No. 8, juust before loading."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:06</unitid>
            <unittitle encodinganalog="title">"View of No. 5 looking southeast across Utah Lake toward Lincoln Point - location of Goshen Bay Dike."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:07</unitid>
            <unittitle encodinganalog="title">"View of No. 6 looking northeast from south end of Goshen Bay, one mile from lake water surface. This flat is covered by water when wind blows from north - resulting in considerable loss of water by evaporation."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:08</unitid>
            <unittitle encodinganalog="title">"View of No. 7 Utah Lake Distributing Comapny's excavated channel - looking east one-half mile out from pumping plant.</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:09</unitid>
            <unittitle encodinganalog="title">"View of No. 8. Five associated Canal Companies' dredged channel - looking south 1,000 feet out from pumping plant."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:10</unitid>
            <unittitle encodinganalog="title">"View of No. 9 looking north along dredged channel - 1½ miles south of Fice Associated Canal Companies' pumping plant."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:11</unitid>
            <unittitle encodinganalog="title">"View of No. 10 looking southeast along dredged channel - 2 miles south of Five Associated Canal Companies' pumping plant."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:12</unitid>
            <unittitle encodinganalog="title">"View of No. 12 water running into Utah Lake Distributing Company's intake channel - showing resistance of Lake clay to washing."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:13</unitid>
            <unittitle encodinganalog="title">"View of No. 11 cracks in clay - North end of Utah Lake."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:14</unitid>
            <unittitle encodinganalog="title">"View of No. 13 dredge operating in channel two miles out from Five Associated Canal Companies' pumping plant."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:15</unitid>
            <unittitle encodinganalog="title">"View of No. 14 disposing of dredged material - not flat slopes beyond bulkhead and steep slope of bank in foreground."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:16</unitid>
            <unittitle encodinganalog="title">"View of No. 15 - Looking north along east shore of Utah Lake - four miles south of Goshen Bay Dikee."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:17</unitid>
            <unittitle encodinganalog="title">"View of No. 16 ice moving clay and rock inland 75 feet on Lincoln Beach."</unittitle>
            <unitdate encodinganalog="date" normal="1933" era="ce" calendar="gregorian" certainty="approximate">March 1933</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:18</unitid>
            <unittitle encodinganalog="title">"View of No. 17 ice piling up on Lincoln Beach."</unittitle>
            <unitdate encodinganalog="date" normal="1933" era="ce" calendar="gregorian" certainty="approximate">March 1933</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:19</unitid>
            <unittitle encodinganalog="title">"View of No. 18 - looking east from east end of Bear River Trestle - Bagley Fill."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:20</unitid>
            <unittitle encodinganalog="title">"View of No. 19 - looking west toward Bear River Trestly showing island of clay resulting from upward pressure."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:21</unitid>
            <unittitle encodinganalog="title">"View of No. 20 - looking west from east end of Bear River Trestle - Bagley Fill. (Water flowing from Bear River Bay into main lake in channel 600 feet wide and 25 feet deep)."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:22</unitid>
            <unittitle encodinganalog="title">"View of No. 21 - looking east along Rambo Fill - two and one-half miles east of Lakeside."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:23</unitid>
            <unittitle encodinganalog="title">"View of No. 22 - looking east from west end of Saline Fill."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:24</unitid>
            <unittitle encodinganalog="title">"View of No. 23 - looking east along Saline Fill - one mile east of west end."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:25</unitid>
            <unittitle encodinganalog="title">"View of No. 24 - looking west from east end of long trestle."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:26</unitid>
            <unittitle encodinganalog="title">"View of No. 25 - looking east from west end of long testle."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:27</unitid>
            <unittitle encodinganalog="title">"View of No. 27 - looking east along Rambo Fill - one and one-half miles east of Lakeside."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:14:28</unitid>
            <unittitle encodinganalog="title">"View of No. 28 - looking east along Rambo Fill - four miles east of Lakeside."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">15</container>
          <unittitle encodinganalog="title">Canada Drainaget Irrigation. (from COLL MSS 31 OWI Box 8; Fd. 13)</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:15:01a</unitid>
            <unittitle encodinganalog="title">"Lower bank of the Canada Land and Irrigation Co. main canal showing an opening or crack 4 to 6 inches wide, 12 to 18 inches deep, and about 500 feet long. Photo by Egon Rapp, July 22, 1949."</unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:15:01b</unitid>
            <unittitle encodinganalog="title">"Canada Land and Irrigation Co. canal at the same location as Fig. 1a. Measurements by O. W. Israelsen and S. H. Van Orman. Photo by Egon Rapp."</unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:15:02</unitid>
            <unittitle encodinganalog="title">"Costly land slide near Preston, Idaho, that ruined an irrigation canal."</unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:15:03a</unitid>
            <unittitle encodinganalog="title">"Bureau of Reclamtion canal at Rivertion, Wyoming, lined wiht asphalt membrane in May, 1949. Carl Powers and O. A. Israelsen inspecting the lining. Photo by O. W. Israelson"</unittitle>
            <unitdate encodinganalog="date" normal="19490813" era="ce" calendar="gregorian" certainty="approximate">1949 August 13</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:15:03b</unitid>
            <unittitle encodinganalog="title">"Exposed bank of the U. S. Bureau of Reclamation main canal and Riverton Project lined with asphalt membrane in May, 1949. Photo by O. W. Israelsen"</unittitle>
            <unitdate encodinganalog="date" normal="19490813" era="ce" calendar="gregorian" certainty="approximate">1949 August 13</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:15:04</unitid>
            <unittitle encodinganalog="title">"All-American Canal Clay blanket lining looking down-stream. The natural white sand has permeability 1800 times that of clay lining."</unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:15:05</unitid>
            <unittitle encodinganalog="title">"Concrete lined canal in Las Cruces, New Mexico. Water Master is regulating up-stream water surface elevation for diversions."</unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">1949</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">16</container>
          <unittitle encodinganalog="title">Historic Photographs collected by J. W. C. (from John W. Carlson Papers: Historic Photographs collected by J. W. C.)</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:16:01</unitid>
            <unittitle encodinganalog="title">Group with small pine tree in Logan Canyon.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:02</unitid>
            <unittitle encodinganalog="title">"Logan Canyon." Man shooting a gun.</unittitle>
            <unitdate encodinganalog="date" normal="1916" era="ce" calendar="gregorian" certainty="approximate">1916</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:03</unitid>
            <unittitle encodinganalog="title">"Trip to Bear Lake." Campground.</unittitle>
            <unitdate encodinganalog="date" normal="1918" era="ce" calendar="gregorian" certainty="approximate">1918</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:04</unitid>
            <unittitle encodinganalog="title">Group of men with horse and buggy.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:05</unitid>
            <unittitle encodinganalog="title">"Just falling. Carlson Family. Smithfield (?)" Young child.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:06</unitid>
            <unittitle encodinganalog="title">"1st Dam (Logan Canyon) under construction."</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:07</unitid>
            <unittitle encodinganalog="title">"Logan Temple."</unittitle>
            <unitdate encodinganalog="date" normal="1916" era="ce" calendar="gregorian" certainty="approximate">1916</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:08</unitid>
            <unittitle encodinganalog="title">"Man and woman standing on a log."</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:09</unitid>
            <unittitle encodinganalog="title">"J. W. C., Logan Canyon."</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:10</unitid>
            <unittitle encodinganalog="title">Two men and a woman eating. Logan Canyon.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:11</unitid>
            <unittitle encodinganalog="title">Group on a bridge.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:12</unitid>
            <unittitle encodinganalog="title">Group in Logan Canyon (?).</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:13</unitid>
            <unittitle encodinganalog="title">Woman with eyes closed being led by man.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:14</unitid>
            <unittitle encodinganalog="title">Family (?) having a picnic in Logan Canyon.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:15</unitid>
            <unittitle encodinganalog="title">Group having a having a picnic by the trees.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:16</unitid>
            <unittitle encodinganalog="title">"Smithfield Shamnar (?) School."</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:17</unitid>
            <unittitle encodinganalog="title">"Gland and Greel. River Height Bags."</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:18</unitid>
            <unittitle encodinganalog="title">Old Farming machine.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:19</unitid>
            <unittitle encodinganalog="title">Group posing in rock crevice.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:20</unitid>
            <unittitle encodinganalog="title">Old Farming Machine.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:21</unitid>
            <unittitle encodinganalog="title">Unidentified man and woman standing next to rock. Note the man that climbed the rock at the top of photo.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:22</unitid>
            <unittitle encodinganalog="title">"Davidson." Woman shooting a gun.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:23</unitid>
            <unittitle encodinganalog="title">"Bear Lake Trip 1918."</unittitle>
            <unitdate encodinganalog="date" normal="1918" era="ce" calendar="gregorian" certainty="approximate">1918</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:24</unitid>
            <unittitle encodinganalog="title">"Smithfield (?), 1918."</unittitle>
            <unitdate encodinganalog="date" normal="1918" era="ce" calendar="gregorian" certainty="approximate">1918</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:25</unitid>
            <unittitle encodinganalog="title">"John W. Gealson (?), 1918. Bear Lake."</unittitle>
            <unitdate encodinganalog="date" normal="1918" era="ce" calendar="gregorian" certainty="approximate">1918</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:26</unitid>
            <unittitle encodinganalog="title">Group of men. Location unknown.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:27</unitid>
            <unittitle encodinganalog="title">John W. Carlson.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:28</unitid>
            <unittitle encodinganalog="title">Building a fire (?)</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:29</unitid>
            <unittitle encodinganalog="title">Campfire cooking.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:30</unitid>
            <unittitle encodinganalog="title">Plowing a field.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:31</unitid>
            <unittitle encodinganalog="title">Four boys sitting at the top of a large rock.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:32</unitid>
            <unittitle encodinganalog="title">Group sitting on a hill.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:33</unitid>
            <unittitle encodinganalog="title">Woman with ax.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:34</unitid>
            <unittitle encodinganalog="title">Man sitting in a chair. Possibly in Logan Canyon.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:35</unitid>
            <unittitle encodinganalog="title">Group having a picnic in the trees.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:36</unitid>
            <unittitle encodinganalog="title">"Logan Canyon." Unknown river.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:37</unitid>
            <unittitle encodinganalog="title">Picking fruit off a tree.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:38</unitid>
            <unittitle encodinganalog="title">Old farming machine.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:39</unitid>
            <unittitle encodinganalog="title">Duplicate of 2:16:31.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:40</unitid>
            <unittitle encodinganalog="title">Duplicate of 2:16:32.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:41</unitid>
            <unittitle encodinganalog="title">Duplicate of 2:16:18.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:42</unitid>
            <unittitle encodinganalog="title">"Norrkoping (?) Oct. Conference, 1916.</unittitle>
            <unitdate encodinganalog="date" normal="1916" era="ce" calendar="gregorian" certainty="approximate">1916</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:43</unitid>
            <unittitle encodinganalog="title">Duplicate of 2:16:31.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:44</unitid>
            <unittitle encodinganalog="title">Group posing in a rock crevice.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:45</unitid>
            <unittitle encodinganalog="title">Body of water. Location unknown.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:46</unitid>
            <unittitle encodinganalog="title">"Will Hanson and Martha Daristrom. Logan Canyon, 1916.</unittitle>
            <unitdate encodinganalog="date" normal="1916" era="ce" calendar="gregorian" certainty="approximate">1916</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:16:47</unitid>
            <unittitle encodinganalog="title">Large formal group. Group identity unknown.</unittitle>
            <unitdate encodinganalog="date" normal="1910/1919" era="ce" calendar="gregorian" certainty="approximate">1910-1919</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">17</container>
          <unittitle encodinganalog="title">Project 285, Photographs. USAC Pro. 285 Pictures.</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:17:01</unitid>
            <unittitle encodinganalog="title">"Robert Johnson's jet well drilling rig, Draper, Utah. Agr. Exp. Sta. Proj. 285."</unittitle>
            <unitdate encodinganalog="date" normal="19471124" era="ce" calendar="gregorian" certainty="approximate">1947 November 24</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:17:02</unitid>
            <unittitle encodinganalog="title">"The Robert Johnson jet method well drilling equipment in operation near Draper, Utah. L. H. Thompson, D. D. Moffat, Jr., foreground; Robert Johnson in background. Egr. Exp. Sta. Proj. 285."</unittitle>
            <unitdate encodinganalog="date" normal="19471124" era="ce" calendar="gregorian" certainty="approximate">1947 November 24</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">18</container>
          <unittitle encodinganalog="title">Logandale, Moapa Valley, Whipple-Wells Field (from COLL MSS 31 OWI Box 35; Fd. 14)</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:18:01</unitid>
            <unittitle encodinganalog="title">"Emergency spillway. Wells Siding."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:18:02</unitid>
            <unittitle encodinganalog="title">"Early stage of October 29-30, '36 flood. Whipple-Wells fields, Logandale, Moapa Valley, just east of CCC camp."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:18:03</unitid>
            <unittitle encodinganalog="title">"Backward cutting, main channel, Moapa Vally-Logandale; east of CCC camp. Whipple Wells fields."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:18:04</unitid>
            <unittitle encodinganalog="title">"Channel cutting. Whipple-Wells fields just east of CCC camp. Logandale-Moapa Valley flood channel."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:18:05</unitid>
            <unittitle encodinganalog="title">"Wells bank cutting, Moapa Valley flood channel, Logandale."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:18:06</unitid>
            <unittitle encodinganalog="title">"Bank cutting, Wells field. Moapa Valley flood channel, Logandale."</unittitle>
            <unitdate encodinganalog="date" normal="1930/1939" era="ce" calendar="gregorian" certainty="approximate">1930-1939</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">19</container>
          <unittitle encodinganalog="title">Well drilling on Bar B Davis Ranch (from COLL MSS 31 OWI Box 36; Fd. 9)</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:19:01-02</unitid>
            <unittitle encodinganalog="title">"Process of capping Well No. 15."</unittitle>
            <unitdate encodinganalog="date" normal="1948" era="ce" calendar="gregorian" certainty="approximate">1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:19:03</unitid>
            <unittitle encodinganalog="title">"Truck and well rig used to drill at Reed Field."</unittitle>
            <unitdate encodinganalog="date" normal="1948" era="ce" calendar="gregorian" certainty="approximate">1948</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">20</container>
          <unittitle encodinganalog="title">(from from COLL MSS 31 OWI Box 41; Fd. 1)</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:20:01</unitid>
            <unittitle encodinganalog="title">"Shabankareh Diversion Dam."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:20:02</unitid>
            <unittitle encodinganalog="title">"Lone Surviving Date Palm - the others in this plot have all died."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:20:03</unitid>
            <unittitle encodinganalog="title">"Row of young date palms, all dead."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:20:04</unitid>
            <unittitle encodinganalog="title">"Laborers digging hole for measuring the shallow water table."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:20:05</unitid>
            <unittitle encodinganalog="title">"Ponded water resulting from canal seepage losses and over-irrigation -- bother harmful to good land."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:20:06</unitid>
            <unittitle encodinganalog="title">"Manager M. E. Ansari examining date palms, dead from waterlogged soil."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:20:07</unitid>
            <unittitle encodinganalog="title">"FAO, USOM, and Iranian Engineers examining shallow water table by open hole method."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">21</container>
          <unittitle encodinganalog="title">La Bolsa Tile Company (from from COLL MSS 31 OWI Box 41; Fd. 5)</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:21:01</unitid>
            <unittitle encodinganalog="title">"The LaBolsa Tile Company laying tile in the Imperial Valley, California. (Photo by V. E. Hansen)."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">22</container>
          <unittitle encodinganalog="title">San Luis Valley Project, Colorado (from COLL MSS 31 OWI Box 42; Fd. 10)</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:22:01</unitid>
            <unittitle encodinganalog="title">"Rio Grande Canal heading on Rio Grande River one mile north of Del Norte. River flowing approximately 5400 c.f.s. with canal diverting approximately 1500 c.f.s. The average annual diversion to the Closed Basin via this canal equals 193,800 acre feet.</unittitle>
            <unitdate encodinganalog="date" normal="19420619" era="ce" calendar="gregorian" certainty="approximate">June 19, 1942</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">23</container>
          <unittitle encodinganalog="title">Photographs of alfalfa showing Lygus infestation</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:23:01</unitid>
            <unittitle encodinganalog="title">"Photomicrograph of median longitudinal section through a raceme of young aborted alfalfa buds. The breakdown and disintegration of the individual buds is general and uniform over the whole raceme, in contrast to the localized disintegration that follows Lygus damage. (App. 25 times natural size)."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:23:02a</unitid>
            <unittitle encodinganalog="title">"Oblique longitudinal section exposing the ovary and showing a puncture that has resulted in a discoloration of the basal one-third of the ovary."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:23:02b</unitid>
            <unittitle encodinganalog="title">"Median longitudinal section from the same flower and exposing the ovules and the area of damage within the ovary. The localized nature of the damage is shown. The ovules in the upper one-half of the ovary are apparently free from injury."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:23:03</unitid>
            <unittitle encodinganalog="title">"Photomicrograph of a median longitudinal section of an alfalfa flower that has fallen from a raceme from a cause that is not directly attributable to Lygus injury. A shrivelling and deterioration of the ovules is shown, with no apparent damage to the floral envelope or the ovary. The condition is typical of a large percentage of dehiseing alfalfa flowers and may result from a failure of pollination, ineffective fertilization or embryo abortion."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:23:04</unitid>
            <unittitle encodinganalog="title">"Stem from a Lygus infested alfalfa plant showing a distorted development and a tendency to excessive branching. Racemes of buds, flowers and seed pods that are apparently normal (fig. 2) developed on short branches soon after the removal of the infestation by frequent dusting."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:23:05</unitid>
            <unittitle encodinganalog="title">"Showing type of growth and reproductive development on severly damaged alfalfa plants following the removal of a Lygus infection. Below the line: Retarted and distorted stem development and excessive branching that is typical of the effects of Lygus on early growth and development of alfalfa. (Except 2 branches at the extreme right). Above the line: Growth and development that followed the removal of the infestation. Note the normal elongation of the stem internodes and the development of racemes of buds and flowers on long peduncles, as in the normal condition in alfalfa (fig. 2)."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:23:06a</unitid>
            <unittitle encodinganalog="title">"Continusouly infested from pre-bud stage of development to seed harvest. (treatment IV)."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:23:06b</unitid>
            <unittitle encodinganalog="title">"Uninfested and dusted 5 to 7 times weekly for same period. Early buds and flowers clipped. (treatment III)."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:23:07a</unitid>
            <unittitle encodinganalog="title">"Showing the Effects of Lygus infestation on the early growth and development of alfalfa plants. Infested from pre-bud to full bloom stage of development."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:23:07b</unitid>
            <unittitle encodinganalog="title">"Showing the effects of Lygus infestation on the early growth and development of alfalfa plants. Uninfested and dusted 5 to 7 times weekly for the same period."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:23:08</unitid>
            <unittitle encodinganalog="title">Various picutres of alfalfa plants (?).</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">24</container>
          <unittitle encodinganalog="title">Photographs of alfalfa showing Lygus infestation</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:24:01</unitid>
            <unittitle encodinganalog="title">"A field of alfalfa badly damaged by lygus bugs. The discoloration results from the presences of dried, bleached, and dead buds. These whitish-yllow areas are conspicuous from a distance and afford evidence of poor seed crops."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:24:02</unitid>
            <unittitle encodinganalog="title">"A suppressed elongation of the apical internodes of alfalfa stems and the development of racemes of buds in clusters called rosetts. This condition occurs under severe lygus infestation. Compare with normal condition. (Approximately one-half natural size)."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:24:03a-03b</unitid>
            <unittitle encodinganalog="title">"Effects of lygus infestation on the early growth and development of alfalfa plants: A. Infested from prebud stage to full-bloom stage of development; B. Uninfested and dusted with Procide, five to seven times weekly for the same period."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:24:04a</unitid>
            <unittitle encodinganalog="title">"Showing the growth and reproductive development of lygus-infested alfalfa in comparison with dusted plants. Naturally infested fron the prebud stage in development to seed harvest. Note the excessive growth. An abundance of flowers were formed but few of which formed seed pods."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:24:04b</unitid>
            <unittitle encodinganalog="title">"Showing the growth and reproductive development of lygus-infested alfalfa in comparison with dusted plants. Dusted from five to seven times weekly with Pyrocide for the control of lygus infestation. Note the relatively scanty growth but healthy condition of the plants, which are heavily loaded with seed."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:24:05</unitid>
            <unittitle encodinganalog="title">"Stem from a lygus-infested alfalfa plant showing distorted development and a tendency to excesive branching. Racemes of buds, flowers, and seed pods that are apparently normal, developed on short branches soon after the removal of the infestation by frequent dusting."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">25</container>
          <unittitle encodinganalog="title">Churches in Idaho</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:25:01</unitid>
            <unittitle encodinganalog="title">"Inside of Cairdelaine church."</unittitle>
            <unitdate encodinganalog="date" normal="1940" era="ce" calendar="gregorian" certainty="approximate">1940 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:25:02</unitid>
            <unittitle encodinganalog="title">"Little Church in the Wild Wood."</unittitle>
            <unitdate encodinganalog="date" normal="1940" era="ce" calendar="gregorian" certainty="approximate">1940 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:25:03</unitid>
            <unittitle encodinganalog="title">Unidentified chapel</unittitle>
            <unitdate encodinganalog="date" normal="1940" era="ce" calendar="gregorian" certainty="approximate">1940 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:25:04</unitid>
            <unittitle encodinganalog="title">"Little Church in the Wild Wood"</unittitle>
            <unitdate encodinganalog="date" normal="1940" era="ce" calendar="gregorian" certainty="approximate">1940 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:25:05</unitid>
            <unittitle encodinganalog="title">"Cairdelatine, Idaho."</unittitle>
            <unitdate encodinganalog="date" normal="1940" era="ce" calendar="gregorian" certainty="approximate">1940 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:25:06</unitid>
            <unittitle encodinganalog="title">"Chapel."</unittitle>
            <unitdate encodinganalog="date" normal="19390829" era="ce" calendar="gregorian" certainty="approximate">1939 August 29</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:25:07</unitid>
            <unittitle encodinganalog="title">"Dillon, Montana Church."</unittitle>
            <unitdate encodinganalog="date" normal="1940" era="ce" calendar="gregorian" certainty="approximate">1940 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:25:08</unitid>
            <unittitle encodinganalog="title">House</unittitle>
            <unitdate encodinganalog="date" normal="19390829" era="ce" calendar="gregorian" certainty="approximate">1939 August 29</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">26</container>
          <unittitle encodinganalog="title">(from from COLL MSS 31 OWI Box 44; Fd. 11)</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:26:01</unitid>
            <unittitle encodinganalog="title">"Draw-down wells as set on three plots in 1949 and 1950. Grass in foreground was on the west dithc bank of plot about 100 ft. from wells. White stakes represent locations of tile lines, spaced about 25 ft. apart. Thirteen wells were placed about the center tile line to about 16 ft. toward each of the adjacent tile lines."</unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:26:02</unitid>
            <unittitle encodinganalog="title">"Draw-down wlls as set on three plots in 1949 and 1950. The first four feet on either side of the center tile line, wells were placed at 2 foot intervals, offset parallel to the tiles lines to reduce soil distrubance reluting from installation of wells Beyond four feet welss were placed at intervals three to four feet apart."</unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">1949</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">2</container>
          <container type="folder">27</container>
          <unittitle encodinganalog="title">Utah Experiment Station Bulletin No. 259</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>2:27:01</unitid>
            <unittitle encodinganalog="title">"Utah Experiment Station Bulletin No. 259. Illustrating method of measuring piezometric surface elevations (at a particular location) in the clay soil corresponding to different levels above the water-bearing sands and gravels and showing also the average elevation of the piezometric surface corresponding to eight different levels."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:27:02</unitid>
            <unittitle encodinganalog="title">"Utah Experiment Station Bulletin No. 259. Time rate of rising of the piezometic surface at the Thurston Well caused by pumping from the 1930 well."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:27:03</unitid>
            <unittitle encodinganalog="title">"Utah Experiment Station Bulletin No. 259. Time-rate of lowering of the piezometric surface at the Thurston well after stopping the pump in the 1930 well."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:27:04</unitid>
            <unittitle encodinganalog="title">"Utah Experiment Station Bulletin No. 259. Perspective view of a part of the Cache Valley water-logged area, showing the location of each of the six piezometric surface test wells with respect to the 14-inch pump well and also the positions of the upper water-bearing gravel and compact clay."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:27:05</unitid>
            <unittitle encodinganalog="title">"North Extension Canal - Rectangular concrete lined section adjacent to asphaltic lining."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:27:06</unitid>
            <unittitle encodinganalog="title">Brace supporting a trench.</unittitle>
            <unitdate encodinganalog="date" normal="1940/1949" era="ce" calendar="gregorian" certainty="approximate">1940-1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>2:27:07</unitid>
            <unittitle encodinganalog="title">"North Extension Canal - A break in the bank of asphaltic concrete lined section. Heavy losses occur through holes such as this."</unittitle>
            <unitdate encodinganalog="date" normal="19490927" era="ce" calendar="gregorian" certainty="approximate">1949 September 27</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">3</container>
          <container type="folder">1</container>
          <unittitle encodinganalog="title">Loose photos of bridges, dams, irrigation projects</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>3:01:01</unitid>
            <unittitle encodinganalog="title">“The Mayapur Dam for the Ganga Canal, Utter Pradesh, India”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:01:02</unitid>
            <unittitle encodinganalog="title">“Hardwar Dam and Bridge for Ganga Canal”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:01:03</unitid>
            <unittitle encodinganalog="title">“The Mahapur Regulator at the Ganga Canal near Hardwar, India”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:01:04</unitid>
            <unittitle encodinganalog="title">“Pre-cast concrete slab lining installed in 1934-35 by C.C.C. labor. Reinforcing of 3/8-inch steel at 12 C.C. Total length, 2 miles. Grass has grown between the slabs. (Photo by O.W. Israelson)"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:01:05</unitid>
            <unittitle encodinganalog="title">“Excessive erosion resulting from too steep a grade on the Holtville main drain, Imperial, California. Original roadway shown in background. This drain was constructed by the farmers without engineering assistance."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:01:06</unitid>
            <unittitle encodinganalog="title">“Typical deep drain in the Imperial Irrigation District, California”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:01:07</unitid>
            <unittitle encodinganalog="title">“The U.S. Regional Salinity Laboratory, Riverside, California. Picture taken from top of Mt. Rubidoux. (Photo by V.E. Hansen)"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:01:08</unitid>
            <unittitle encodinganalog="title">“O.W. Israelson and Ross K. Peterson inspecting adjustable constant-head controls at the U.S. Regional Salinity Laboratory, Riverside, California. (Photo V.E. Hansen)"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:01:09</unitid>
            <unittitle encodinganalog="title">“Tracy pumping station almost completed. Capacity 4600 cfs. Northwest of Tracy, California. (Photo by V.E. Hansen)"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:01:10</unitid>
            <unittitle encodinganalog="title">“Discharge pipes from the Tracy pumping plant to the Delta-Mendote Canal. Northwest of Tracy, California. (Photo by V.E. Hansen)"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">3</container>
          <container type="folder">2</container>
          <unittitle encodinganalog="title">Experiment Station, Wells, Escalante Desert</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>3:02:01</unitid>
            <unittitle encodinganalog="title">Pond in weeds. “Copper half-tone, 4” rounded corners”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:02:02</unitid>
            <unittitle encodinganalog="title">Drain pipe. “Same size, round corners, copper half-tone, blockout wen (?)”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:02:03</unitid>
            <unittitle encodinganalog="title">Drain geyser. “Artesian Well, flowing 500 gals. Per min.”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:02:04</unitid>
            <unittitle encodinganalog="title">Drain geyser. “rounded corners, 4 inches, copper half-tone.”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:02:05</unitid>
            <unittitle encodinganalog="title">Man in pond looking at drain geyser. “artesian well in reservoir getting ready to close well and measure pressure. Same size zinc half-tone.”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:02:06</unitid>
            <unittitle encodinganalog="title">Drain pipe. “Taylor’s pump meter co. (?) zinc half-tone.”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:02:07</unitid>
            <unittitle encodinganalog="title">Station house. “pump house. Rounded 4” corners, copper half-tone.”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:02:08</unitid>
            <unittitle encodinganalog="title">Drain on farm. "Nephi"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:02:09</unitid>
            <unittitle encodinganalog="title">Drain pipe. “typical pump set-up. 4” copper half-tone.”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:02:10</unitid>
            <unittitle encodinganalog="title">Pump with meter. “test of pressure on O L Ralinson (?) well.”</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:02:11</unitid>
            <unittitle encodinganalog="title">Pump with drain pipe. "4" copper half tone"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">3</container>
          <container type="folder">3</container>
          <unittitle encodinganalog="title">USAC Irrigation and Drainage (also Colorado A.and M.), File 145 and 245, Typical Pictures of Drains for Irrigated Lands (Project Folder)</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>3:03:01</unitid>
            <unittitle encodinganalog="title">"715 - A jitney load of 6-inch tile from Smithfield."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:02</unitid>
            <unittitle encodinganalog="title">"1304 - Recently installed pump for purpose of lifting water from drain to large corn path to higher lands on left of picture."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:03</unitid>
            <unittitle encodinganalog="title">"1430 - Del Rio Drain looking upstream from a bridge near the Mesilla Dam. New Mexico."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:04</unitid>
            <unittitle encodinganalog="title">"1431 - The Mesilla Drain showing the flume acorss the drain which is about 12 feet deep."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:05</unitid>
            <unittitle encodinganalog="title">"1432 - Same as 1431" (same as 3:03:04)</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:06</unitid>
            <unittitle encodinganalog="title">"1451 - Drainage channel on the Orson Hyer farm."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:07</unitid>
            <unittitle encodinganalog="title">"1481 - Claeing a draining ditch northwest part of Salt Lake County."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:08</unitid>
            <unittitle encodinganalog="title">"1598 - Newly constructed Millard County Drainage District No. 3 open dainr showing alkali accumulation mear the surface."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:09</unitid>
            <unittitle encodinganalog="title">"1592 - Millard County Drainage District No. 3 Open darin showing seep banks and caving."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:10</unitid>
            <unittitle encodinganalog="title">"1721 - Spoil bank and berm near Millard County Darinage District No. 3 open drain channel."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:11</unitid>
            <unittitle encodinganalog="title">"1793 - West Cache Irrigation Company open drain at slide area No. 1."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:12</unitid>
            <unittitle encodinganalog="title">"1796 - West Cache  canal showing side hill damage zone before construction of drain shown in 1793." (03:03:11)</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:13</unitid>
            <unittitle encodinganalog="title">"1855 - View of drain at Site A at Station Eo - 00, showing battern of piezometers."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:14</unitid>
            <unittitle encodinganalog="title">"1865 - Looking east in open drain approximately 400 feet north of site C."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:15</unitid>
            <unittitle encodinganalog="title">"1856 - View of drain at Site A at Station Eo - 00, showing battery of piezometers."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:16</unitid>
            <unittitle encodinganalog="title">"1866 - Looking east in open drain 2 1/2 miles south and 1/2 mile east of Delta."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:17</unitid>
            <unittitle encodinganalog="title">"1869 - Canal and drainage ditch running parallel onemile east of Woodrow."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:18</unitid>
            <unittitle encodinganalog="title">"1894 - Millard County Darinage District No. 1. Open drain showing caving of banks."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:19</unitid>
            <unittitle encodinganalog="title">"Same as 1894." (03:03:18)</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:20</unitid>
            <unittitle encodinganalog="title">"1896 - Open drain near Blackfoot, Idaho."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:21</unitid>
            <unittitle encodinganalog="title">"1897 - Same as 1896." (03:03:20)</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:22</unitid>
            <unittitle encodinganalog="title">"1898 - Millard County open drain on heavy slope land."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:23</unitid>
            <unittitle encodinganalog="title">"1899 - Millard COunty Drainage District No. 3 deep open drain near experimental site D."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:24</unitid>
            <unittitle encodinganalog="title">"1923 - Coulter, Anker, and Slattery on the bank of a drainage canal in the lower valley near Lovelock, Nevada."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:25</unitid>
            <unittitle encodinganalog="title">"1925 - Pershing County, Nevada, Water Conservation District main drain outlet."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:26</unitid>
            <unittitle encodinganalog="title">" 1925-A - Water stage register on a drainage canal near Lovelock, Nevada."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:27</unitid>
            <unittitle encodinganalog="title">"1963 - Lewiston Area Drainge Ditrict No. 3, open drain illustrating waste of land with wide spoil bank."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:28</unitid>
            <unittitle encodinganalog="title">"1964 - Open drain, Lewiston area."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:29</unitid>
            <unittitle encodinganalog="title">"1965 - Same as 1964." (03:03:28)</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:30</unitid>
            <unittitle encodinganalog="title">"1966 - Drain outlet after completion of receiving box."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:31</unitid>
            <unittitle encodinganalog="title">"1967 - Receiving box. Incoming water from drain. Outgoing water in steel pipe to Cub River."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:32</unitid>
            <unittitle encodinganalog="title">"1968 - Pipe drain after completion."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:33</unitid>
            <unittitle encodinganalog="title">"1969 - Pipe draina fter completion."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:34</unitid>
            <unittitle encodinganalog="title">"1975 - Open drain, Lewiston area."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:35</unitid>
            <unittitle encodinganalog="title">"2028 - Lewiston Area open drain near canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:36</unitid>
            <unittitle encodinganalog="title">"2031 - Cache County Drainage Distrcit No. 3 drain outlet at location Qn2."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:37</unitid>
            <unittitle encodinganalog="title">"2046 - 2047 Surface water flowing into an opening into 12-inch underground tile that discharges into East Jordan Canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:38</unitid>
            <unittitle encodinganalog="title">Same as 03:03:27</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:39</unitid>
            <unittitle encodinganalog="title">"2078 - Rivertonproject open drain shwoing heavy erosion and caving of banks."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:40</unitid>
            <unittitle encodinganalog="title">"2079 - same as 2078." (03:03:39)</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:41</unitid>
            <unittitle encodinganalog="title">"2095 - Completed trench for drain depth 7 feet."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:42</unitid>
            <unittitle encodinganalog="title">"2096 - Same as 2095." (03:03:41)</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:43</unitid>
            <unittitle encodinganalog="title">"2119 - Two pumps pumping water from drain into canal at Yuma east side of valley."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:44</unitid>
            <unittitle encodinganalog="title">"2127 - Imperial Valley Irrigation district typical deep drain."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:45</unitid>
            <unittitle encodinganalog="title">"2132 - Imperial Valley Irrigation District typical deep drain."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:03:46</unitid>
            <unittitle encodinganalog="title">"2150 - Newlands Project, new shallow drain."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">3</container>
          <container type="folder">4</container>
          <unittitle encodinganalog="title">Pictures of Irrigated Soil and Crops in Brazil (American International Association for economic and social development). From Charles T. Bourns to Orson W. Israelsen</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>3:04:01</unitid>
            <unittitle encodinganalog="title">"Picture No. 1 - An onions field near Sao de Rio Pardo, Sao Paulo showing irrigation canal view across the slope with slight grade."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:02</unitid>
            <unittitle encodinganalog="title">"Picture No. 2 - same as No. 1" (03:04:01)</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:03</unitid>
            <unittitle encodinganalog="title">"Picture No. 3 - Fields planted to potatoes after first irrigation. Canals run down the slope and rows with excessive grades carying from 2 -15 percent."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:04</unitid>
            <unittitle encodinganalog="title">"Picture No. 4 - (see No. 3) Showing erosion in individual rows after first irrigation."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:05</unitid>
            <unittitle encodinganalog="title">"Picture No. 5 - (See No. 3) Showing erosion in canal running down the slope."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:06</unitid>
            <unittitle encodinganalog="title">"Picture No. 6 - (See No. 3) Showing field ditches or canals running down the slope."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:07</unitid>
            <unittitle encodinganalog="title">"Picture No. 7 - (See No. 3) Another potato field in the vicinity of No. 3 showing rows with grades of about 5 percent."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:08</unitid>
            <unittitle encodinganalog="title">"Picture No. 8 - (See No. 7) Erosion in rows of this field."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:09</unitid>
            <unittitle encodinganalog="title">"Picture No. 9 - A typical "outlet structure" in Brazil."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:10</unitid>
            <unittitle encodinganalog="title">"Picture No. 10 - A field laid out with bench terraces. Planted to rice--formerly in potatoes--forground planted to vegetables."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:11</unitid>
            <unittitle encodinganalog="title">"Picture No. 11 - (See No. 10) Same farm (sitio) showing irrigation canal and fields of potatoes."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:12</unitid>
            <unittitle encodinganalog="title">"Picture No. 12 - Same farm showing "nursery: for rise seedlings. These will be transplanted by hand labor. Note the cabbages on the borders."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:13</unitid>
            <unittitle encodinganalog="title">"Picture No. 13 - (See No. 10) Same sitio showing cauliflower (couveflor). Mulching with straw and grass to conserve moisture during dry season. Background is vineyard."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:14</unitid>
            <unittitle encodinganalog="title">"Picture No. 14 - (See No. 10) Irish potatoes -- same sitio"</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:15</unitid>
            <unittitle encodinganalog="title">"Picture No. 15 - (See No. 10) Rice field on same sitio being flooded for planting."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:04:16</unitid>
            <unittitle encodinganalog="title">"Picture No. 16 - (See No. 10) Rice field being harrowed to prepare for planting and flooding."</unittitle>
            <unitdate encodinganalog="date" normal="1951" era="ce" calendar="gregorian" certainty="approximate">1951 August</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">3</container>
          <container type="folder">5</container>
          <unittitle encodinganalog="title">Photographs of Seepage Tests and Canal Linings in the 1950 Studies--Eden Project, Eden Wyoming; Newlands Project, Fallon, Nevada; The River Laboratory, Logan, Utah; Wilson Canal, Ogden, Utah (Project Folder)</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>3:05:01</unitid>
            <unittitle encodinganalog="title">"Fig. 5.(1)--Inserts ready to be installed in flume."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:02</unitid>
            <unittitle encodinganalog="title">"Fig. 6.(2)--Experimental flume showing inserts in place."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:03-07</unitid>
            <unittitle encodinganalog="title">Charts showing permeability ratios</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:08</unitid>
            <unittitle encodinganalog="title">"Fig. 7.--Oasis silt loam lining showing pattern and relative degree of cracking associated with drying."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:09</unitid>
            <unittitle encodinganalog="title">"Fig. 8.--Trenton sandy loam with 10% bentonite showing pattern and relative degree of cracking associated with drying."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:10</unitid>
            <unittitle encodinganalog="title">"Fig. 9.--Trenton silt loam lining pattern and relative degree of cracking associated with drying."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:11</unitid>
            <unittitle encodinganalog="title">"Fig. 10.--Salt-treated Mendon silt loam showing pattern and relative degree of cracking associated with drying."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:12</unitid>
            <unittitle encodinganalog="title">Man in field holding crop.</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:13</unitid>
            <unittitle encodinganalog="title">"No. 1 Combination of lumber and sandbag bulkhead employed for ponding water in the Eden Canal on the Eden Project, vicinity of Eden, Wyoming."
            </unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:14</unitid>
            <unittitle encodinganalog="title">"No. 2 Pond No. 1 (2), Eden Canal, Eden Project. Mr. Austin Barker of the Bureau of Relcamation, pointing to the shaly gravel outcrop of the side slopes of the canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:15</unitid>
            <unittitle encodinganalog="title">"No. 3 Seepage measurements with deep canal seepage meter in progress on canal, Eden Project"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:16</unitid>
            <unittitle encodinganalog="title">"No. 4 Seciont of the Farson lateral in which ponding measurements were made. Some water remained in the bottom of this canal for a long time after the completion of this test."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:17</unitid>
            <unittitle encodinganalog="title">"No. 5 U-line canal, Newland's Project, vicinity of Fallon, Nevada. Drop structure mare watertight with flash boards and canvas facing."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:18</unitid>
            <unittitle encodinganalog="title">"No. 6 Water stage recorder shelter and staff gage in place, U-line canal, Newland's Project."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:19</unitid>
            <unittitle encodinganalog="title">"No. 7 Weighing supply reservoirs in seepage measurement with Salinity Laboratory Seepage Meter."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:20</unitid>
            <unittitle encodinganalog="title">"No. 8a Piping of 5% soil bentonite lining installed ona  subgrade of graded gravel."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:21</unitid>
            <unittitle encodinganalog="title">"No. 8 Joint between metal dividers and soil cement lining sealed with catalytically blown asphalt applied hot."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:22</unitid>
            <unittitle encodinganalog="title">"No. 9 Asphaltic concrete lining as it appeared in 1950."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:23</unitid>
            <unittitle encodinganalog="title">"No. 10 Buried asphaltic membrane lining installed in 1948 with gravel cover removed for inspection."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:24</unitid>
            <unittitle encodinganalog="title">"No. 11 Prime membrane lining installed in 1948 as it appeared in 1950."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:25</unitid>
            <unittitle encodinganalog="title">"No. 12 Prime membrane lining  installed in 1948 as it appeared in 1950. Buried membrane lining partially removed in background."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:26</unitid>
            <unittitle encodinganalog="title">"No. 13 buried asphalt membrane lining installed in 1948. At the time of removal in 1950 the membrane, as can be observed, was faily flexible."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:27</unitid>
            <unittitle encodinganalog="title">"No. 14 Little Ford Distributor, 225 gal. capacity, model 84HD4."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:28</unitid>
            <unittitle encodinganalog="title">"No. 15 Little Ford Distributor, 225 gal. capacity, model 84HD4."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:29</unitid>
            <unittitle encodinganalog="title">"No. 16 Installing asphaltic membrane in section 8D, June 1950."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:30</unitid>
            <unittitle encodinganalog="title">"No. 17 Applying asphaltic membraneto section 2D, June 1950."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:31</unitid>
            <unittitle encodinganalog="title">"No. 18 Subgrade ready for applying the asphaltic membrane sheet metal dividers and concrete walls painted with RCS-1 cutback asphalt to facilitate bonding to metal and concrete."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:32</unitid>
            <unittitle encodinganalog="title">"No. 19 Asphaltic membrane linings in section 2D and 3D installed in June 1950, prior to covering."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:33</unitid>
            <unittitle encodinganalog="title">"No. 20 Lap joint of prefabricated asphaltic membrane being painted with cutback asphalt to facilitate sealing the joints."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:34</unitid>
            <unittitle encodinganalog="title">"No. 21 Length of prefabricated asphaltic membrane cut and held for placing in position."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:35</unitid>
            <unittitle encodinganalog="title">"No. 22 Prefabricated asphaltic membrane in place and ready to be covered."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:36</unitid>
            <unittitle encodinganalog="title">"No. 23 Unrolling a prefabricated asphaltic membrane which had stuck together. This condition was the cause of considerable wasteage."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:37</unitid>
            <unittitle encodinganalog="title">"No. 24 Cracks in prefabricated asphaltic membrane lining developed by flattening the rolls in storage."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:38</unitid>
            <unittitle encodinganalog="title">"No. 25 Applying catalytically blown asphalt to gravel cover in section 8D to form asphalt membrane lining."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:39</unitid>
            <unittitle encodinganalog="title">"No. 26 Asphalt membrane macadum lining in section 8D immediately after installation."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:40</unitid>
            <unittitle encodinganalog="title">"No. 27 Channel A, showing concrete basin with metal dividers sealed in place prior to placing subgrade material."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:41</unitid>
            <unittitle encodinganalog="title">"No. 28 Installing prefabricated asphaltic membrane reinforced with fiberglas in section 1A"</unittitle>
            <unitdate encodinganalog="date" normal="19501107" era="ce" calendar="gregorian" certainty="approximate">1950 November 7</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:42</unitid>
            <unittitle encodinganalog="title">"No. 29 Squares were cut from sprayed asphaltic membrane linings to determine the uniformity and thickness of the membrane."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:43</unitid>
            <unittitle encodinganalog="title">"No. 30 Asphaltic membrane lining applied at rate of 2 gsy on subgrade of pea gravel."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:44</unitid>
            <unittitle encodinganalog="title">"No. 31 The rought area around the pocket knife is representative of areas transmitting water in the asphaltic linings on the pea gravel subgrade."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:45</unitid>
            <unittitle encodinganalog="title">"No. 32 Asphaltic membrane macadum lining after one season. Moist rings on surface when water is low are evidence that water is passing through the macadum lining."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:46</unitid>
            <unittitle encodinganalog="title">"No. 33 Compacting back-fill in section of Wilson Irrigation Company Canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:47</unitid>
            <unittitle encodinganalog="title">"No. 34 Front view of Briscoe Ditcher used to excavate canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:48</unitid>
            <unittitle encodinganalog="title">"No. 35 Rear view of Briscoe Ditcher making first cut."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:49</unitid>
            <unittitle encodinganalog="title">"No. 36 Rear view of Briscoe Ditcher after several passes and excavation near completion."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:50</unitid>
            <unittitle encodinganalog="title">"No. 37 Fine grading, Wilson Irrigation Company Canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:51</unitid>
            <unittitle encodinganalog="title">"No. 38 Wilson Irrigation Company Canal section graded and staked ready for lining."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:52</unitid>
            <unittitle encodinganalog="title">"No. 39 Shotcrete being placed in Wilson Irrigation Company Canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:53</unitid>
            <unittitle encodinganalog="title">"No. 40 Alternate panels of concrete liing being installed in the Wilson Irrigation Company Canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:54</unitid>
            <unittitle encodinganalog="title">"No. 41 Concrete being delivered to the job in a ready-mix truck, Wilson Irrigation Company Canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:55</unitid>
            <unittitle encodinganalog="title">"No. 42 Caulking contraction joints with mastic, Wilson Irrigation Company Canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:56</unitid>
            <unittitle encodinganalog="title">"No. 43 Placing shotcrete, Wilson Irrigation Company Canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:57</unitid>
            <unittitle encodinganalog="title">"No. 44 Cleaning old concrete with a blast of sand and water in preparation for resurfacing the shotcrete. Wilson Irrigation Company Canal, 1949"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:58</unitid>
            <unittitle encodinganalog="title">"No. 45 Concrete filling freshly resurfaced with shotcrete. Wilson Irrigation Company Canal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:59</unitid>
            <unittitle encodinganalog="title">"Fig. 11. Plastic siphon tubes used in furrow irrigation. Soil Conversation Service."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:60</unitid>
            <unittitle encodinganalog="title">Fig. .--Portable spray equipment used in gardens about cold frames, hotbeds, etc. Luther Burbank's gardens, Sant Rosa, Cal."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:61</unitid>
            <unittitle encodinganalog="title">"Many orchards in California are planted on the hillsides where the frost hazard is low and land is less expensive. Irrigation on steep, irregular slopes is most effective when the water is distributed by contour furrows, and the tree rows are planted along the contour grades."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:62</unitid>
            <unittitle encodinganalog="title">Fig. 8. Side hill terraced for orchard irrigation by the furrow method."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:63</unitid>
            <unittitle encodinganalog="title">"Fig 2 Rubber mounted Fresno adapted to moving soil long distances. Final smooting of the land should be done with a drag or float."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:64</unitid>
            <unittitle encodinganalog="title">"Dhanauri Works in Ganga Canal Looking Downstream"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:65</unitid>
            <unittitle encodinganalog="title">"Lalipur Dam - Ganga Canal"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:66</unitid>
            <unittitle encodinganalog="title">"Lalipur Dam - GangaCanal"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:67</unitid>
            <unittitle encodinganalog="title">Lalipur Dam - Ganga Canal</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:68</unitid>
            <unittitle encodinganalog="title">"Dhanauri Work in Ganga Canal Looking Downstream"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:69</unitid>
            <unittitle encodinganalog="title">"Dhanauri Works in GangaCanal Looking Downstream"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:70</unitid>
            <unittitle encodinganalog="title">"Dhanauri Works in Ganga Canal Looking Downatream"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:71</unitid>
            <unittitle encodinganalog="title">"Figure 1 - These 32 students at the Utah State College Irrigation Short Course in 1953. Represents 13 countries interested in World Progress in Irrigation and Drainage."</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:05:72</unitid>
            <unittitle encodinganalog="title">"Figure ___ The Bhimgoda Sluices * on the Ganga Canal, Uttar Pradesh, India * From the Pamphlet "Hundred Years of Ganga Canal 1854-1954"</unittitle>
            <unitdate encodinganalog="date" normal="1950/1959" era="ce" calendar="gregorian" certainty="approximate">1950-1959</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">3</container>
          <container type="folder">6</container>
          <unittitle encodinganalog="title">Pictures O.W.I. (Contained Folder, Organized by Area or Project--"Canada"; "Erosion"; "Hardesty"; "North Extension"; "Honduras"; "Miscl"; "Richmond"; "W.P.A."; "Turlock")</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>3:06:01</unitid>
            <unittitle encodinganalog="title">"South Saskatchewan Project tour. Photo by Bert Boyson. Left to right: 1.  2. A.E. Palmer, Dom. Exp. Sta. 3. Dr. J. Mithcell, U. of Sask. 4. Dr. O. W. Israelson 5.  6. Allen Israelen 7. Hugh Mahood 8.  9. Ellaf Olafson 10. Grant Keith, Sask. D of A 11. Jack Mollard, PFRA 12. Stanley Van Orman, PFRA 13. Jim McMorrine, PFRA"</unittitle>
            <unitdate encodinganalog="date" normal="19490803" era="ce" calendar="gregorian" certainty="approximate">August 3, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:02</unitid>
            <unittitle encodinganalog="title">"South Saskatchewan Project tour. Photo by Bert Boyson"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:03</unitid>
            <unittitle encodinganalog="title">"Looking southwest scross Saskatoon from the top of the Bessborough Hotel. South Saskatchewan Project tour. photo by Bert Boyson."</unittitle>
            <unitdate encodinganalog="date" normal="19490803" era="ce" calendar="gregorian" certainty="approximate">August 3, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:04</unitid>
            <unittitle encodinganalog="title">"South Saskatchewan Project Tour. Photo by Bert Boyson."</unittitle>
            <unitdate encodinganalog="date" normal="19490803" era="ce" calendar="gregorian" certainty="approximate">August 3, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:05</unitid>
            <unittitle encodinganalog="title">"South Saskatchewan Project Tour. Photo by Bert Boyson."</unittitle>
            <unitdate encodinganalog="date" normal="19490803" era="ce" calendar="gregorian" certainty="approximate">August 3, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:06</unitid>
            <unittitle encodinganalog="title">"South Saskatchewan Project Tour. Photo by Bert Boyson."</unittitle>
            <unitdate encodinganalog="date" normal="19490803" era="ce" calendar="gregorian" certainty="approximate">August 3, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:07</unitid>
            <unittitle encodinganalog="title">"South Saskatchewan Project Tour. Photo by Bert Boyson."</unittitle>
            <unitdate encodinganalog="date" normal="19490803" era="ce" calendar="gregorian" certainty="approximate">August 3, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:08</unitid>
            <unittitle encodinganalog="title">"Laboratory flume for soil erosion studies. Slope adjustable. Photo by Dan Swenson."</unittitle>
            <unitdate encodinganalog="date" normal="1943" era="ce" calendar="gregorian" certainty="approximate">1943</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:09</unitid>
            <unittitle encodinganalog="title">"End elevation laboratory flume. Photo by Dan Swenson."</unittitle>
            <unitdate encodinganalog="date" normal="1943" era="ce" calendar="gregorian" certainty="approximate">1943</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:10</unitid>
            <unittitle encodinganalog="title">"Device for measuring erosion depth in furrow. Photo by Dan Swenson."</unittitle>
            <unitdate encodinganalog="date" normal="1943" era="ce" calendar="gregorian" certainty="approximate">1943</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:11</unitid>
            <unittitle encodinganalog="title">"Illustrating how to measure the erosion in laboratory flume channels. Photo by Dan Swenson."</unittitle>
            <unitdate encodinganalog="date" normal="1943" era="ce" calendar="gregorian" certainty="approximate">1943</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:12</unitid>
            <unittitle encodinganalog="title">"Illustrating how to measure the erosion in laboratory flume channels. Similar to previous photo. Photo by Dan Swenson."</unittitle>
            <unitdate encodinganalog="date" normal="1943" era="ce" calendar="gregorian" certainty="approximate">1943</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:13</unitid>
            <unittitle encodinganalog="title">"Typical erosion depth laboratory studies. Photo by Dan Swenson."</unittitle>
            <unitdate encodinganalog="date" normal="1943" era="ce" calendar="gregorian" certainty="approximate">1943</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:14</unitid>
            <unittitle encodinganalog="title">"Typical erosion depth. Photo by Dan Swenson."</unittitle>
            <unitdate encodinganalog="date" normal="1943" era="ce" calendar="gregorian" certainty="approximate">1943</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:15</unitid>
            <unittitle encodinganalog="title">"Operator tracing erosion depth for record. Photo by Dan Swenson."</unittitle>
            <unitdate encodinganalog="date" normal="1943" era="ce" calendar="gregorian" certainty="approximate">1943</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:16</unitid>
            <unittitle encodinganalog="title">"Results of erosion studies. Photo by Dan Swenson."</unittitle>
            <unitdate encodinganalog="date" normal="1943" era="ce" calendar="gregorian" certainty="approximate">1943</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:17</unitid>
            <unittitle encodinganalog="title">"Similar to Number 9 (3:06:16). Photo by Dan Swenson."</unittitle>
            <unitdate encodinganalog="date" normal="1943" era="ce" calendar="gregorian" certainty="approximate">1943</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:18</unitid>
            <unittitle encodinganalog="title">"Installed under a main road in 1907. When inspected this plain galvanized pipe was found to bein good condition with every indication pointing to many more years of useful service."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:19</unitid>
            <unittitle encodinganalog="title">"Limited headroom dictated the installation of this ARMCO Pipe-Arch in 1939. It provides adequate waterway area and possesses all the advantages of corrugated metal pipe."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:20</unitid>
            <unittitle encodinganalog="title">"Installing 2600 feet of 8 inch ARMCO perforated pipe. Purpose of installation was to eliminate continual and expensive mainenance caused by sub-surface water."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:21</unitid>
            <unittitle encodinganalog="title">"This 48-inch 12-gage ARMCO paved pipe has balanced design. It is protected where the wear comes by a smooth, thick bituminous pavement in the bottom."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:22</unitid>
            <unittitle encodinganalog="title">"ARMCO Bin-Type retaining wall installed during winter of 1936-37."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:23</unitid>
            <unittitle encodinganalog="title">"Erecting a triple span ARMCO Multi Plate bridge. Each arch will have a 13' 3" span with a 3' 11" rise."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:24</unitid>
            <unittitle encodinganalog="title">"North Extension Canal - Left to right: Mr. Barbary - Egypt; Dr. Israelsen - Logan, utah; Mr. Kung - China; Mr. Soonthorn - Siam; Mr. Rasmussen - Logan, Utah; Mr. White - Bancroft, Idaho; Mr. Wang - China; Mr. yost - Grace, Idaho; Mr. Hansen - Grace, Idaho; Mr. Huang - China; Mr. Christiansen - Grade, Idaho; Mr. Li - China.  Photo by. C. W. Lauritzen,"</unittitle>
            <unitdate encodinganalog="date" normal="19490927" era="ce" calendar="gregorian" certainty="approximate"> September 27, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:25</unitid>
            <unittitle encodinganalog="title">"North Extension Canal - just below Austin Christiansen bridge."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:26</unitid>
            <unittitle encodinganalog="title">"North Extension Canal - just below Austin Christiansen bridge."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:27</unitid>
            <unittitle encodinganalog="title">"North Extension Canal - Rectangular concrete lined section adjacent to asphaltic lining. Photo by C.W. Lauritzen."</unittitle>
            <unitdate encodinganalog="date" normal="19490927" era="ce" calendar="gregorian" certainty="approximate">September 27, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:28</unitid>
            <unittitle encodinganalog="title">"North Extension Canal - Trapezoidal concrete pined section adjacent to asphalt lining. Photo by C.W. Lauritzen."</unittitle>
            <unitdate encodinganalog="date" normal="19490927" era="ce" calendar="gregorian" certainty="approximate">September 27, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:29</unitid>
            <unittitle encodinganalog="title">"Guest house at La Lima, Honduras, C.A."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:30</unitid>
            <unittitle encodinganalog="title">"Canal lining. Cement and sand mortar hand placed and troweled in banana plantations of the Tela Railroad Co. in Honduras, C.A."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:31</unitid>
            <unittitle encodinganalog="title">"Land leveling for border irrigation. Copen Farm Tela Railroad Co. near La Lima, Honduras, C.A."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:32</unitid>
            <unittitle encodinganalog="title">"Young peach trees near Ogden, Utah, on lands having a slope of 12 feet per 100."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:33</unitid>
            <unittitle encodinganalog="title">"Permanent orchard sprinkling irrigation system in operation."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:34</unitid>
            <unittitle encodinganalog="title">"Photo by S.G. Margetts"</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947 May</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:35</unitid>
            <unittitle encodinganalog="title">"Photo by S.G. Margetts."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:36</unitid>
            <unittitle encodinganalog="title">"Photo by S.G. Margetts."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:37</unitid>
            <unittitle encodinganalog="title">"Photo by S.G. Margetts."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:38</unitid>
            <unittitle encodinganalog="title">"Trencher No, 4, Clearfield. Photo by S.G. Margetts."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:39</unitid>
            <unittitle encodinganalog="title">"Similar to above (03:06:38). Photo by S.G. Margetts."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:40</unitid>
            <unittitle encodinganalog="title">"Shur-Rane demonstration, Flowell District, Millard County."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">July 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:41</unitid>
            <unittitle encodinganalog="title">"Drop installed on the Plowman (?) Mountain canal, west and south of airport 3/4 mile."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:42</unitid>
            <unittitle encodinganalog="title">"Weir installed on a spring in Wayne County, 3 miles west of Loa."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:43</unitid>
            <unittitle encodinganalog="title">"Well in area same as above."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:44</unitid>
            <unittitle encodinganalog="title">"Trench at Amalgamated Sugar Co. farm, Lewiston, Utah."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:45</unitid>
            <unittitle encodinganalog="title">"Same canal as picture above (03:06:44) before drop installed."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:46</unitid>
            <unittitle encodinganalog="title">"Shur-Rane demonstration, Flowell District, Millard County."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">July 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:47</unitid>
            <unittitle encodinganalog="title">"Spillway on reservoir in Rich County."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:48</unitid>
            <unittitle encodinganalog="title">"Diversion dam in Kane County."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:49</unitid>
            <unittitle encodinganalog="title">"Reservoir site in Rich County."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:50</unitid>
            <unittitle encodinganalog="title">"Overflow into the main outlet gate in an overnight reservoir. Sanpete County."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:51</unitid>
            <unittitle encodinganalog="title">"Fillmore, Utah. 3' Parshall flume located on the Chalk Creek diversion just below resilting basin."</unittitle>
            <unitdate encodinganalog="date" normal="19421125" era="ce" calendar="gregorian" certainty="approximate">1942 November 25</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:52</unitid>
            <unittitle encodinganalog="title">"Taken 11-25-42. Meadow Irrigation by Pass Ditch -- 3 miles in length. Total cost (W.P.A.) including Dam $24,000. The ditch is lined with red sandstone held in position with cement rubble."</unittitle>
            <unitdate encodinganalog="date" normal="19421125" era="ce" calendar="gregorian" certainty="approximate">1942 November 25</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:53</unitid>
            <unittitle encodinganalog="title">"Taken 11-25-42. Piute Indian Res. Irrigation Ditch on Reservation south of the town of Meadow, Utah."</unittitle>
            <unitdate encodinganalog="date" normal="19421125" era="ce" calendar="gregorian" certainty="approximate">1942 November 25</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:54</unitid>
            <unittitle encodinganalog="title">"Fillmore, Utah. 11-25-42. Dam on Chalk Creek resilting basin above dam is reported to have been practically filled with debris in first season after cons."</unittitle>
            <unitdate encodinganalog="date" normal="19421125" era="ce" calendar="gregorian" certainty="approximate">1942 November 25</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:55</unitid>
            <unittitle encodinganalog="title">"Sprinkling pump on Frandsen farm, Sanpete Co."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:56</unitid>
            <unittitle encodinganalog="title">"Small reservoir to catch debris before it enters ditch."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:57</unitid>
            <unittitle encodinganalog="title">"Use of spiles on Pacific Fruit and Vegetable farm, Sevier Co."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:58</unitid>
            <unittitle encodinganalog="title">"Same as above (03:06:57)"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:59</unitid>
            <unittitle encodinganalog="title">Man by irrigation ditch.</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:60</unitid>
            <unittitle encodinganalog="title">Two men inspecting pipe near irrigation ditch.</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:61</unitid>
            <unittitle encodinganalog="title">Man by irrigation ditch.</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:62</unitid>
            <unittitle encodinganalog="title">"Channel before lining. Richmond Canal. Photo by C.W. Lauritzen."</unittitle>
            <unitdate encodinganalog="date" normal="19480504" era="ce" calendar="gregorian" certainty="approximate">May 4, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:63</unitid>
            <unittitle encodinganalog="title">"Preparing channel. Richmond Canal. Photo by C.W. Lauritzen."</unittitle>
            <unitdate encodinganalog="date" normal="19480504" era="ce" calendar="gregorian" certainty="approximate">May 4, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:64</unitid>
            <unittitle encodinganalog="title">"Gunite section. Richmond Canal. Photo by. C.W. Lauritzen.</unittitle>
            <unitdate encodinganalog="date" normal="19480504" era="ce" calendar="gregorian" certainty="approximate">May 4, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:65</unitid>
            <unittitle encodinganalog="title">"Gunite section. Richmond Canal. Photo by C.W. Lauritzen."</unittitle>
            <unitdate encodinganalog="date" normal="19480504" era="ce" calendar="gregorian" certainty="approximate">May 4, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:66</unitid>
            <unittitle encodinganalog="title">"Looking down old Richmond canal. Photo by C.W. Lauritzen."</unittitle>
            <unitdate encodinganalog="date" normal="19480504" era="ce" calendar="gregorian" certainty="approximate">May 4, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:67</unitid>
            <unittitle encodinganalog="title">"Drop on Richmond Canal. Photo by C.W. Lauritzen."</unittitle>
            <unitdate encodinganalog="date" normal="19480504" era="ce" calendar="gregorian" certainty="approximate">May 4, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:68</unitid>
            <unittitle encodinganalog="title">"Ditch in Salt Lake County showing process of lining. WPA Photo."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:69</unitid>
            <unittitle encodinganalog="title">"Ditch in Salt Lake County. Rock in place ready for cement mortar. WPA Photo."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:70</unitid>
            <unittitle encodinganalog="title">"Canal, Salt Lake County, Big Cottonwood District. WPA Photo."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:71</unitid>
            <unittitle encodinganalog="title">"Where irrigation water must be carried through improved residential districts, the top slab forms a sidewalk as with this canal as Midvale, Salt Lake County. WPA Photo."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:72</unitid>
            <unittitle encodinganalog="title">"Concrete ditch, Salt Lake County. Right of way through private property. WPA Photo."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:73</unitid>
            <unittitle encodinganalog="title">"Ditch through grounds at Camp W.G. Williams, Utah County. WPA Photo."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:74</unitid>
            <unittitle encodinganalog="title">"Ditch an dslab bridge at Camp Williams. Much work of this nature was done at this Camp. Utah County. WPA Photo."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:75</unitid>
            <unittitle encodinganalog="title">"Ditch at santaquin, Utah County. lining of ditches at this city was done on a quite extensive scale. Cobblestones were used as they were so abundant near the various sites. WPA Photo."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:76</unitid>
            <unittitle encodinganalog="title">"Ditch at Santaquin, Utah County. WPA Photo."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:77</unitid>
            <unittitle encodinganalog="title">"Ditch near Fillmore, Millard County. this traverses gravelly section where seepage losses were formerly very high. WPA Photo."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:78</unitid>
            <unittitle encodinganalog="title">"This concrete ditch, placed inside property line, was part of a county road improvement program. WPA Photo.</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:79</unitid>
            <unittitle encodinganalog="title">"No. 3  Maze-Wren Ditch. Blow sand in concrete lined spill ditch."</unittitle>
            <unitdate encodinganalog="date" normal="19461227" era="ce" calendar="gregorian" certainty="approximate">December 27, 1946</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:80</unitid>
            <unittitle encodinganalog="title">"No, 119. Maxe-Wren Ditch. Try out of Jeterete Gunite Mixer."</unittitle>
            <unitdate encodinganalog="date" normal="19471129" era="ce" calendar="gregorian" certainty="approximate">November 29, 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:81</unitid>
            <unittitle encodinganalog="title">"No, 138. Decker Ditch. Concrete lining. Eells Contract."</unittitle>
            <unitdate encodinganalog="date" normal="19480113" era="ce" calendar="gregorian" certainty="approximate">January 13, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:82</unitid>
            <unittitle encodinganalog="title">"No. 139. Decker Ditch - Finish grading."</unittitle>
            <unitdate encodinganalog="date" normal="19480113" era="ce" calendar="gregorian" certainty="approximate">January 13, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:83</unitid>
            <unittitle encodinganalog="title">"No. 187. McWhorter Ditch. T.I.D. Filling borrow pits."</unittitle>
            <unitdate encodinganalog="date" normal="19480322" era="ce" calendar="gregorian" certainty="approximate">March 22, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:84</unitid>
            <unittitle encodinganalog="title">"No. 237. Wilson Ditch lining I.D. #436. Weed growth."</unittitle>
            <unitdate encodinganalog="date" normal="19480817" era="ce" calendar="gregorian" certainty="approximate">August 17, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:85</unitid>
            <unittitle encodinganalog="title">"No. 241. Stadtler Drain - Cleaning."</unittitle>
            <unitdate encodinganalog="date" normal="19480903" era="ce" calendar="gregorian" certainty="approximate">1948 September 3</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:86</unitid>
            <unittitle encodinganalog="title">"No. 254 . Vivian Ditch Pipe Line 36". Showing gravel bottom building paper and dry mix."</unittitle>
            <unitdate encodinganalog="date" normal="19481106" era="ce" calendar="gregorian" certainty="approximate">November 6, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:87</unitid>
            <unittitle encodinganalog="title">"No. 258 . Prairie Flower Drain. J.W. Smith pipe at Spill."</unittitle>
            <unitdate encodinganalog="date" normal="19481120" era="ce" calendar="gregorian" certainty="approximate">November 20, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:88</unitid>
            <unittitle encodinganalog="title">"No. 273 . Lazar Br. of Lower McHenry. Pouring 30" pipe."</unittitle>
            <unitdate encodinganalog="date" normal="19481230" era="ce" calendar="gregorian" certainty="approximate">December 30, 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:89</unitid>
            <unittitle encodinganalog="title">"No 286 . Power Lat. 2 1/2 D 23 to 26. 42" pipe trench on curve."</unittitle>
            <unitdate encodinganalog="date" normal="19490121" era="ce" calendar="gregorian" certainty="approximate">January 21, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:90</unitid>
            <unittitle encodinganalog="title">"No. 291 . State Highway #99 Baxter Ditch. Siphon extension."</unittitle>
            <unitdate encodinganalog="date" normal="19490210" era="ce" calendar="gregorian" certainty="approximate">February 10, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:91</unitid>
            <unittitle encodinganalog="title">"No. 315 . State Highway #99 - Thornburg Ditch. Rounded siphon intake."</unittitle>
            <unitdate encodinganalog="date" normal="19490317" era="ce" calendar="gregorian" certainty="approximate">March 17, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:92</unitid>
            <unittitle encodinganalog="title">"No. 390 . Lower Lat. No. 2. Pouring lining below Blaker Rd."</unittitle>
            <unitdate encodinganalog="date" normal="19491207" era="ce" calendar="gregorian" certainty="approximate">December 7, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>3:06:93</unitid>
            <unittitle encodinganalog="title">"No. 393 . Lower Lat. No. 2 1/2. Finish grading with T.I.D. hoe."</unittitle>
            <unitdate encodinganalog="date" normal="19491207" era="ce" calendar="gregorian" certainty="approximate">December 7, 1949</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">4</container>
          <container type="folder">1</container>
          <unittitle encodinganalog="title">Project and Personal Photos, extra or loose from other projects</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>4:01:01</unitid>
            <unittitle encodinganalog="title">Drain pipe being buried</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:02</unitid>
            <unittitle encodinganalog="title">Drain pipe suspended on hoist</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:03</unitid>
            <unittitle encodinganalog="title">Drain pipe lowered into position</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:04</unitid>
            <unittitle encodinganalog="title">Drain pipe hanging from hoist</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:05</unitid>
            <unittitle encodinganalog="title">Drain pipe on flatbed truck</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:06</unitid>
            <unittitle encodinganalog="title">Drain pipe being lifted off truck</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:07</unitid>
            <unittitle encodinganalog="title">Drain pipe being fitted in ground</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:08</unitid>
            <unittitle encodinganalog="title">Drain pipe being fitted in ground</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:09</unitid>
            <unittitle encodinganalog="title">Several men inspecting canal gate</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:10</unitid>
            <unittitle encodinganalog="title">Several men inspecting canal gate</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:11</unitid>
            <unittitle encodinganalog="title">Several men inspecting canal lining</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:12</unitid>
            <unittitle encodinganalog="title">Large flow control gate with small boat in foreground</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:13</unitid>
            <unittitle encodinganalog="title">Large flow control gate with small boat in foreground</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:14</unitid>
            <unittitle encodinganalog="title">32 Persons standing infront of building. (roster missing)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:15</unitid>
            <unittitle encodinganalog="title">"Everman Automatic Leveler and John Deere tractor on alfalfa breaking"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:17</unitid>
            <unittitle encodinganalog="title">planted field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:18</unitid>
            <unittitle encodinganalog="title">"Box float leveler"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:19</unitid>
            <unittitle encodinganalog="title">postcard from large dam project. "Dear Professor Israelsen, This is one method of handling a 180 ton section of pipe." signed SJB.</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:20</unitid>
            <unittitle encodinganalog="title">Lining a large canal in concrete</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:21</unitid>
            <unittitle encodinganalog="title">"This siphon was placed as a part of the Flint Creek Storage Project of the Montana State Water Conservation Board."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:22</unitid>
            <unittitle encodinganalog="title">"At Hyrum Dam with Tunision Engrs. Photo by D C Dix"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:23</unitid>
            <unittitle encodinganalog="title">Postcard from small farm field. "Clip weir--BAC Exp. Farm-Cedar"</unittitle>
            <unitdate encodinganalog="date" normal="1919" era="ce" calendar="gregorian" certainty="approximate">1919</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:24</unitid>
            <unittitle encodinganalog="title">Postcard from natural canal or river</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:25</unitid>
            <unittitle encodinganalog="title">Postcard from natural canal or river, workers in a suspended barral above water</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:01:26</unitid>
            <unittitle encodinganalog="title">Postcard from natural canal or river</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:01</unitid>
            <unittitle encodinganalog="title">Copy of image in book. "Fig. 13--Showing character of flow from artesian gravel into tile drain."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:02</unitid>
            <unittitle encodinganalog="title">White farm house, unidentified</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:03</unitid>
            <unittitle encodinganalog="title">machine digging a trench</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:04</unitid>
            <unittitle encodinganalog="title">machine digging a trench, "Dr. W.L. Powers"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:05</unitid>
            <unittitle encodinganalog="title">2 men inspecting a pipe</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:06</unitid>
            <unittitle encodinganalog="title">fencing in an irrigated field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:07</unitid>
            <unittitle encodinganalog="title">Irrigated field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:08</unitid>
            <unittitle encodinganalog="title">Irrigated field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:09</unitid>
            <unittitle encodinganalog="title">Irrigated field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:10</unitid>
            <unittitle encodinganalog="title">Barrier wall in holding pond</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:11</unitid>
            <unittitle encodinganalog="title">Barrier wall in holding pond</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:12</unitid>
            <unittitle encodinganalog="title">Barrier wall in holding pond</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:13</unitid>
            <unittitle encodinganalog="title">Ox driven water wheel</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:14</unitid>
            <unittitle encodinganalog="title">Ox driven water wheel</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:15</unitid>
            <unittitle encodinganalog="title">Lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:16</unitid>
            <unittitle encodinganalog="title">overgrown dirt canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:17</unitid>
            <unittitle encodinganalog="title">Pump house in a field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:18</unitid>
            <unittitle encodinganalog="title">2 men inspecting a lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:19</unitid>
            <unittitle encodinganalog="title">shore of lake</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:20</unitid>
            <unittitle encodinganalog="title">stripped shore of reservoir</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:21</unitid>
            <unittitle encodinganalog="title">Man standing on barrier wall near stripped shore of reservoir</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:22</unitid>
            <unittitle encodinganalog="title">Lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:23</unitid>
            <unittitle encodinganalog="title">Overgrown canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:24</unitid>
            <unittitle encodinganalog="title">Flooded field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:25</unitid>
            <unittitle encodinganalog="title">Flooded field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:26</unitid>
            <unittitle encodinganalog="title">Outlet of lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:27</unitid>
            <unittitle encodinganalog="title">Flooded field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:28</unitid>
            <unittitle encodinganalog="title">Flooded field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:29</unitid>
            <unittitle encodinganalog="title">Irrigation ditch</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:30</unitid>
            <unittitle encodinganalog="title">Outlet of lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:31</unitid>
            <unittitle encodinganalog="title">Flooded field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:32</unitid>
            <unittitle encodinganalog="title">Flooded field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:33</unitid>
            <unittitle encodinganalog="title">Fence in a field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:34</unitid>
            <unittitle encodinganalog="title">Overgrown canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:35</unitid>
            <unittitle encodinganalog="title">Flooded field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:36</unitid>
            <unittitle encodinganalog="title">Overgrown canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:37</unitid>
            <unittitle encodinganalog="title">Flooded field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:38</unitid>
            <unittitle encodinganalog="title">Lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:39</unitid>
            <unittitle encodinganalog="title">Flooded field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:40</unitid>
            <unittitle encodinganalog="title">Flooded field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:41</unitid>
            <unittitle encodinganalog="title">Overgrown canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:42</unitid>
            <unittitle encodinganalog="title">Lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:43</unitid>
            <unittitle encodinganalog="title">Lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:44</unitid>
            <unittitle encodinganalog="title">Dirt-lined ditch</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:45</unitid>
            <unittitle encodinganalog="title">Men standing by water wheel</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:46</unitid>
            <unittitle encodinganalog="title">Pipe stacked on hillside</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:47</unitid>
            <unittitle encodinganalog="title">Landscape water wheel</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:48</unitid>
            <unittitle encodinganalog="title">Bridge over canal flow control gates</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:02:49-62</unitid>
            <unittitle encodinganalog="title">Drain and flow experiments, pictures of sandboxes</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:01</unitid>
            <unittitle encodinganalog="title">3 men standing in field, center is probably O.W. Israelsen</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:02</unitid>
            <unittitle encodinganalog="title">Adults and children posed near wooden structure</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:03</unitid>
            <unittitle encodinganalog="title">Chickens in a yard</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:04</unitid>
            <unittitle encodinganalog="title">Stone structure, Arabic characters printed on side</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:05</unitid>
            <unittitle encodinganalog="title">Plowed field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:06</unitid>
            <unittitle encodinganalog="title">Lake or reservoir</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:07</unitid>
            <unittitle encodinganalog="title">Children standing near wagon</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:08</unitid>
            <unittitle encodinganalog="title">Horses drawing plow</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:09</unitid>
            <unittitle encodinganalog="title">Tractor working in a field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:10</unitid>
            <unittitle encodinganalog="title">Building structure on stepped hillside</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:11</unitid>
            <unittitle encodinganalog="title">Men working in a field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:12</unitid>
            <unittitle encodinganalog="title">2 men, 1 woman posed by stone wall</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:13</unitid>
            <unittitle encodinganalog="title">Sheep grazing in a field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:14</unitid>
            <unittitle encodinganalog="title">Men standing by irrigation pump</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:15</unitid>
            <unittitle encodinganalog="title">Sprinklers in a field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:16</unitid>
            <unittitle encodinganalog="title">Irrigation ditch</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:17</unitid>
            <unittitle encodinganalog="title">Persons standing near piel of dirt</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:18</unitid>
            <unittitle encodinganalog="title">Children posed for photo</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:19</unitid>
            <unittitle encodinganalog="title">Structure on a stepped hillside</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:20</unitid>
            <unittitle encodinganalog="title">2 men, 1 woman standing near car, Arabic characters on car</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:21</unitid>
            <unittitle encodinganalog="title">Structure in forested area</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:22</unitid>
            <unittitle encodinganalog="title">Village on a hillside</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:23</unitid>
            <unittitle encodinganalog="title">Group of persons standing and talking</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:24</unitid>
            <unittitle encodinganalog="title">Structure overlooking a valley</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:25</unitid>
            <unittitle encodinganalog="title">Horses grazing in a plowed field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:26</unitid>
            <unittitle encodinganalog="title">Village on a hillside</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:27</unitid>
            <unittitle encodinganalog="title">Structure in valley</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:28</unitid>
            <unittitle encodinganalog="title">Barrier wall of dam</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:29</unitid>
            <unittitle encodinganalog="title">Concrete-lined canal, large; probably a shipping lane in a set of locks</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:30</unitid>
            <unittitle encodinganalog="title">low bridge over flow control canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:31</unitid>
            <unittitle encodinganalog="title">Pumping station</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:32</unitid>
            <unittitle encodinganalog="title">Men servicing a pump</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:33</unitid>
            <unittitle encodinganalog="title">Crumbling brick retaining wall</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:34</unitid>
            <unittitle encodinganalog="title">O.W. Israelsen reading a book</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:35</unitid>
            <unittitle encodinganalog="title">Freshly dug canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:36</unitid>
            <unittitle encodinganalog="title">Men standing near dirt-lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:37</unitid>
            <unittitle encodinganalog="title">Concrete-lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:38</unitid>
            <unittitle encodinganalog="title">Men inspecting water in canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:39</unitid>
            <unittitle encodinganalog="title">Pipe flowing into canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:40</unitid>
            <unittitle encodinganalog="title">Men inspecting pump station</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:41</unitid>
            <unittitle encodinganalog="title">Small flow control gate</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:42</unitid>
            <unittitle encodinganalog="title">Hail bails employed as dam in canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:43</unitid>
            <unittitle encodinganalog="title">Large canyon, showing barrier walls, bridge, power lines (Hoover Dam?)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:44</unitid>
            <unittitle encodinganalog="title">Pump station</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:45</unitid>
            <unittitle encodinganalog="title">Small dam and flow control gate</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:46</unitid>
            <unittitle encodinganalog="title">Men inspecting concrete-lined canal,one is probably O.W.I.</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:47</unitid>
            <unittitle encodinganalog="title">Large dam structure, probably Hoover</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:48</unitid>
            <unittitle encodinganalog="title">Small wooden flow control gate</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:49</unitid>
            <unittitle encodinganalog="title">Dump trucks</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:50</unitid>
            <unittitle encodinganalog="title">Pump station</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:51</unitid>
            <unittitle encodinganalog="title">Large construction site</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:52</unitid>
            <unittitle encodinganalog="title">Farm implement, small blade</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:53</unitid>
            <unittitle encodinganalog="title">Overgrown canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:54</unitid>
            <unittitle encodinganalog="title">Large dam outlet (Hoover Dam?)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:55</unitid>
            <unittitle encodinganalog="title">Cracked canal lining with hat (O.W.'s hat?)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:56</unitid>
            <unittitle encodinganalog="title">Dug pit</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:57</unitid>
            <unittitle encodinganalog="title">Portable irrigation pump</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:03:58</unitid>
            <unittitle encodinganalog="title">Handwritten letter describing photos (photos to which it applies are unknown)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:01</unitid>
            <unittitle encodinganalog="title">Large construction project, men standing over concrete wall</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:02</unitid>
            <unittitle encodinganalog="title">Men pouring a concrete wall</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:03</unitid>
            <unittitle encodinganalog="title">Large construction project, men standing over concrete wall</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:04</unitid>
            <unittitle encodinganalog="title">Large construction project, men standing over concrete wall</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:05</unitid>
            <unittitle encodinganalog="title">Large construction project, men standing over concrete wall</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:06</unitid>
            <unittitle encodinganalog="title">Men pouring a concrete wall</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:07</unitid>
            <unittitle encodinganalog="title">Men pouring a concrete wall</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:08</unitid>
            <unittitle encodinganalog="title">wide, overgrown canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:09</unitid>
            <unittitle encodinganalog="title">Large construction project, men standing over concrete wall</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:10</unitid>
            <unittitle encodinganalog="title">Men standing on wooden bridge</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:11</unitid>
            <unittitle encodinganalog="title">Men standing on wooden bridge</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:12</unitid>
            <unittitle encodinganalog="title">Men standing on wooden bridge</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:13</unitid>
            <unittitle encodinganalog="title">Men standing on wooden bridge</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:14</unitid>
            <unittitle encodinganalog="title">Diverted canal with 2 manual flow control gates</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:15</unitid>
            <unittitle encodinganalog="title">Diverted canal with 2 manual flow control gates</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:16</unitid>
            <unittitle encodinganalog="title">Diverted canal with 2 manual flow control gates</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:17</unitid>
            <unittitle encodinganalog="title">Large run-off canalLarge dam construction project</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:18</unitid>
            <unittitle encodinganalog="title">Large waterfall</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:19</unitid>
            <unittitle encodinganalog="title">Large dam construction project</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:20</unitid>
            <unittitle encodinganalog="title">Man standing on drain pipe (O.W.I.?)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:21</unitid>
            <unittitle encodinganalog="title">Large construction project</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:22</unitid>
            <unittitle encodinganalog="title">Structure for casting a drain culvert</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:23</unitid>
            <unittitle encodinganalog="title">Large construction project</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:24</unitid>
            <unittitle encodinganalog="title">Postcard from Hoover Dam</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:25</unitid>
            <unittitle encodinganalog="title">Postcard from Hoover Dam--empty reservoir side</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:26</unitid>
            <unittitle encodinganalog="title">Postcard, "Power houses from top of Boulder Dam, 597 Oakes"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:27</unitid>
            <unittitle encodinganalog="title">Postcard, "J.W. Lough's irrigated alfalfa cut, Scott Co Kans 2nd crop"</unittitle>
            <unitdate encodinganalog="date" normal="19160701" era="ce" calendar="gregorian" certainty="approximate">July 1, 1916</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:28</unitid>
            <unittitle encodinganalog="title">Postcard, "J.W. Lough's irrigated alfalfa grown in 28 days. 4th crop cut. Scott Co. Kans"</unittitle>
            <unitdate encodinganalog="date" normal="19160828" era="ce" calendar="gregorian" certainty="approximate">August 28, 1916</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:29</unitid>
            <unittitle encodinganalog="title">Postcard, "J.W. Lough's irrigated alfalfa 3rd crop cut, Scott Co Kans."</unittitle>
            <unitdate encodinganalog="date" normal="19160731" era="ce" calendar="gregorian" certainty="approximate">July 31, 1916</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:30</unitid>
            <unittitle encodinganalog="title">Postcard, "J.W. Lough's irrigated alfalfa cut, Scott Co kans. 1st crop</unittitle>
            <unitdate encodinganalog="date" normal="19160530" era="ce" calendar="gregorian" certainty="approximate">May 30, 1916</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:31</unitid>
            <unittitle encodinganalog="title">Reservoir or pond</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:32</unitid>
            <unittitle encodinganalog="title">Burying a drain pipe</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:33</unitid>
            <unittitle encodinganalog="title">Crane lowering a section of pipe</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:34</unitid>
            <unittitle encodinganalog="title">Crane lowering a section of pipe</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:35</unitid>
            <unittitle encodinganalog="title">Crane lowering a section of pipe</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:04:36</unitid>
            <unittitle encodinganalog="title">Crane lowering a section of pipe</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:05:01</unitid>
            <unittitle encodinganalog="title">Lake shore</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:05:02</unitid>
            <unittitle encodinganalog="title">Overlooking city in a wide valley, mountain range in the distance</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:05:03</unitid>
            <unittitle encodinganalog="title">Waterfall on high cliff</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:05:04</unitid>
            <unittitle encodinganalog="title">Waterfall on high cliff</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:05:05</unitid>
            <unittitle encodinganalog="title">Cliff face from below</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:05:06</unitid>
            <unittitle encodinganalog="title">Construction in a canyon, installing pipeline (Logan Canyon?)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:05:07</unitid>
            <unittitle encodinganalog="title">Woman standing in front of large cut tree pointing at rings</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:05:08-21</unitid>
            <unittitle encodinganalog="title">Construction in a canyon, installing pipeline (Logan Canyon?)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:05:22-25</unitid>
            <unittitle encodinganalog="title">Ditch near a dirt road</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:05:26</unitid>
            <unittitle encodinganalog="title">"Movement of water or moisture in different type soils"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:01-20</unitid>
            <unittitle encodinganalog="title">Series, "A.S.A.E. Intr. Mt. Section Pictures, Dr. H.B. Walker Pres; Dr. O.W.I. Pres Intr Mt Sec"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:21</unitid>
            <unittitle encodinganalog="title">O.W.I. pointing to light buld arrangement</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:22</unitid>
            <unittitle encodinganalog="title">View of a lake or reservoir</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:23</unitid>
            <unittitle encodinganalog="title">Natural canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:24</unitid>
            <unittitle encodinganalog="title">Man standing in snowy field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:25</unitid>
            <unittitle encodinganalog="title">"Gering Drain--downstream from inlet drop"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:26</unitid>
            <unittitle encodinganalog="title">"Brown Drain--County bridge and pipeline washed out"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:27</unitid>
            <unittitle encodinganalog="title">Gering Drain--Bridge may fail if erosion continues"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:28</unitid>
            <unittitle encodinganalog="title">"Gering Drain--Farm bldgs. in danger of being undermined"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:29-32</unitid>
            <unittitle encodinganalog="title">Crane lifting dirt in a ditch</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:33</unitid>
            <unittitle encodinganalog="title">Close view of tractor implement</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:34</unitid>
            <unittitle encodinganalog="title">Harveting implement loading truck</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:35</unitid>
            <unittitle encodinganalog="title">Small wooden flow control gate</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:36</unitid>
            <unittitle encodinganalog="title">"Mileo standing in plot of experimantal wheat--heads are large and well filled out but kernals are not very hard."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:37-93</unitid>
            <unittitle encodinganalog="title">Tube well pictures--digging, servicing, observing</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:94-99</unitid>
            <unittitle encodinganalog="title">Postcards from Yellowstone National Park</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:100-104</unitid>
            <unittitle encodinganalog="title">O.W.I. displaying book of pictures feat. irrigation structures of Uzbekistan(see box 7)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:105</unitid>
            <unittitle encodinganalog="title">4 men standing in a road</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:06:105</unitid>
            <unittitle encodinganalog="title">Sprinklers in a field of crop</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:01</unitid>
            <unittitle encodinganalog="title">Cliffdwelling</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:02</unitid>
            <unittitle encodinganalog="title">Fence structure in a field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:03</unitid>
            <unittitle encodinganalog="title">Irrigation ditch</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:04</unitid>
            <unittitle encodinganalog="title">Man standing in a field (blurrry)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:05</unitid>
            <unittitle encodinganalog="title">Irrigation ditch (blurry)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:06</unitid>
            <unittitle encodinganalog="title">Road in a mountain valley</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:07</unitid>
            <unittitle encodinganalog="title">Native Americans on horses carrying banner</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:08</unitid>
            <unittitle encodinganalog="title">Native Americans on horses carrying banner</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:09</unitid>
            <unittitle encodinganalog="title">Large dam valley, probably  down river side of Hoover</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:10</unitid>
            <unittitle encodinganalog="title">Large dam valley, probably  down river side of Hoover</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:11</unitid>
            <unittitle encodinganalog="title">Cliffdwelling</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:12</unitid>
            <unittitle encodinganalog="title">Cliffdwelling</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:13</unitid>
            <unittitle encodinganalog="title">Canal collection point</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:14</unitid>
            <unittitle encodinganalog="title">Small concrete canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:15</unitid>
            <unittitle encodinganalog="title">Cliffdwelling</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:16</unitid>
            <unittitle encodinganalog="title">Snow-covered mountain terrain, cable supported pole in foreground</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:17</unitid>
            <unittitle encodinganalog="title">Snow-covered mountain terrain, cable supported pole in foreground</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:18</unitid>
            <unittitle encodinganalog="title">Road in a mountain valley</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:19</unitid>
            <unittitle encodinganalog="title">"Progress Pump Co. Well #2)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:20</unitid>
            <unittitle encodinganalog="title">"Progress Pump Co. Well #2 Malad, Idaho"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:21</unitid>
            <unittitle encodinganalog="title">"Sugar Co. Irrig Canals Angola"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:22</unitid>
            <unittitle encodinganalog="title">Trees in a field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:23</unitid>
            <unittitle encodinganalog="title">"Dr V.E.H. and the Rio Bengo Ang. 56"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:24</unitid>
            <unittitle encodinganalog="title">"Water Meas Sta on Bengo Riv. Angola Africa"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:25</unitid>
            <unittitle encodinganalog="title">"Dr VEH at the Sugar Co Area in Angola"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:26</unitid>
            <unittitle encodinganalog="title">"Bengo River in Africa VEH and friend"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:27</unitid>
            <unittitle encodinganalog="title">"Near Luanda"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:28</unitid>
            <unittitle encodinganalog="title">Hills and houses near Luanda"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:29</unitid>
            <unittitle encodinganalog="title">House near still river</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:30</unitid>
            <unittitle encodinganalog="title">Tree near the CAOP home Angola"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:31</unitid>
            <unittitle encodinganalog="title">"Luanda from a park area"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:32</unitid>
            <unittitle encodinganalog="title">Man standing by pump</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:33</unitid>
            <unittitle encodinganalog="title">Man standing by flow control gate</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:34</unitid>
            <unittitle encodinganalog="title">Man standing among several short canals</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:35</unitid>
            <unittitle encodinganalog="title">Several men standing along irrigation canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:36</unitid>
            <unittitle encodinganalog="title">"Red Creek Reservoir, Mar 31 1943"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:37</unitid>
            <unittitle encodinganalog="title">Irrigated field</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:38</unitid>
            <unittitle encodinganalog="title">Hay bails as flow control</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:39</unitid>
            <unittitle encodinganalog="title">long dirt lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:40</unitid>
            <unittitle encodinganalog="title">Pump station</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:41</unitid>
            <unittitle encodinganalog="title">"Hold MC DD-2"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:42</unitid>
            <unittitle encodinganalog="title">"Hold MC DD-2"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:43</unitid>
            <unittitle encodinganalog="title">Man standing in deep pit</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:44</unitid>
            <unittitle encodinganalog="title">Hole in muddy pit</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:45</unitid>
            <unittitle encodinganalog="title">"May 4, 1949 Paul Pehrson"</unittitle>
            <unitdate encodinganalog="date" normal="19490504" era="ce" calendar="gregorian" certainty="approximate">May 4, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:46</unitid>
            <unittitle encodinganalog="title">Paul Pehrson</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:47</unitid>
            <unittitle encodinganalog="title">"Paul Pehrson pumping after 20 hrs about 20 bpm 4" drop @ 100' pumping from a battery of 3 well pumps"</unittitle>
            <unitdate encodinganalog="date" normal="19490504" era="ce" calendar="gregorian" certainty="approximate">May 4, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:48</unitid>
            <unittitle encodinganalog="title">Brick-lined canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:49</unitid>
            <unittitle encodinganalog="title">Man prepping canal bed for concrete</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:50</unitid>
            <unittitle encodinganalog="title">"The mouth of drainage canal at Terracina--southern end of Pontine marshes." by Joseph Rodrigo</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:51</unitid>
            <unittitle encodinganalog="title">New city of Littoria on Pontine marshes -- set up by Musso(lini) as model city - 1929-1933, canal drainage." by Joseph Rodrigo</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:52</unitid>
            <unittitle encodinganalog="title">"Tiber River near Rome - on alluvial plain. 1940 projected exposition grounds, partially completed - now used by British army." by Joseph Rodrigo</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:53</unitid>
            <unittitle encodinganalog="title">"Tiber River near Rome - on alluvial plain. 1940 projected exposition grounds, partially completed - now used by British army." by Joseph Rodrigo</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:54</unitid>
            <unittitle encodinganalog="title">"Typical Pontine marsh set-up..gravel road. Average rainfall 15-20. a. roads, b. medium canal, c. drain ditch." by Joseph Rodrigo</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:55</unitid>
            <unittitle encodinganalog="title">"The rain drains off the granite mountains with little or no cover to a sink at base of hills which in old times caused the marsh." by Joseph Rodrigo</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:56</unitid>
            <unittitle encodinganalog="title">"All that was left was the ruined power houases with machines and pumps for drainage. The canal work had all been finished pre-war." by Joseph Rodrigo</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:57</unitid>
            <unittitle encodinganalog="title">"Canal and ditches: (a) medium, (b) ditch "field" -- typical size of field -- size is called "selma"-approx. 300' x 500'. 5 selmas is the measure of a rich man." by Joseph Rodrigo</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:07:58</unitid>
            <unittitle encodinganalog="title">"Canal and ditches: (a) medium, (b) ditch "field" -- typical size of field -- size is called "selma"-approx. 300' x 500'. 5 selmas is the measure of a rich man." by Joseph Rodrigo</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:01</unitid>
            <unittitle encodinganalog="title">/"Looking west into Huntingtin canyon along new oiled State Highway 31, just west of Huntington. Surveys are now under way (Sept. 1947) to oil the entire route to Fairview."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:02</unitid>
            <unittitle encodinganalog="title">"Looking west at part of outlet pipe, now being filled in to divert water from the new Millers Flat reservoir near head of Huntington canyon through the left fort of Huntington creek to Huntington-Cleveland-Lawrence-Elmo district in northern Emery county."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:03</unitid>
            <unittitle encodinganalog="title">"O.W. Israelsen at test gate near Utah A.C. at Logan."</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">September 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:04</unitid>
            <unittitle encodinganalog="title">"Looking south, construction on new Millrs Flat reservoir at head of Huntington canyon"</unittitle>
            <unitdate encodinganalog="date" normal="1947" era="ce" calendar="gregorian" certainty="approximate">September 1947</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:05</unitid>
            <unittitle encodinganalog="title">"Inspection house Right Bank of Ganges canal. Mayapur Regulator Hardwar"</unittitle>
            <unitdate encodinganalog="date" normal="1955" era="ce" calendar="gregorian" certainty="approximate">May 1955</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:06</unitid>
            <unittitle encodinganalog="title">"A typical irrigation well (pump) at Phoenix, Arizona. Yield 3 1/2 cfs. (Photo by C.D. Stewart)&gt;"</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:07</unitid>
            <unittitle encodinganalog="title">"Looking east toward the Bear Lake. Photo by OWI."</unittitle>
            <unitdate encodinganalog="date" normal="19510715" era="ce" calendar="gregorian" certainty="approximate">July 15, 1951</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:08</unitid>
            <unittitle encodinganalog="title">/"Mirror Lake, Jennie in the 1949 Dodge and snow-covered Wyoming mountain. Highway 130, Wyoming. Photo by OWI."</unittitle>
            <unitdate encodinganalog="date" normal="19510715" era="ce" calendar="gregorian" certainty="approximate">July 15, 1951</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:09</unitid>
            <unittitle encodinganalog="title">"Diversion wier, Blacksmoth Fork River for the Providence, Millville, Irrigation Company. Nearly 1800 acres are irrigated from this diversion."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:10</unitid>
            <unittitle encodinganalog="title">"Illustration of the depression of the water table due to an open drain, Millard County Drainage District No. 4. The ten borings in whic the water table measurements were made were located ona line 2850 feet ling just south of the Oasis-Holden Road."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:11</unitid>
            <unittitle encodinganalog="title">"Erosion on Bear River about 3 mi North of state line in Fairview. Looking west."</unittitle>
            <unitdate encodinganalog="date" normal="19490504" era="ce" calendar="gregorian" certainty="approximate">May 4, 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:12</unitid>
            <unittitle encodinganalog="title">"Smithfield North Bench Irrigation Company Canal Improvment under the inspection by interested Cache County Irrigation Leaders, Directed by PMA."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:13</unitid>
            <unittitle encodinganalog="title">"Trimming machine on Frant-Kern Canal near Fresno, San Joaquin Valley, California."</unittitle>
            <unitdate encodinganalog="date" normal="1949" era="ce" calendar="gregorian" certainty="approximate">May 1949</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:14</unitid>
            <unittitle encodinganalog="title">"Smithfield Irrigation Company Canal Improvement west of and near the city. J.H. Huang, graduate student, inspecting the canal intake."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:15-25</unitid>
            <unittitle encodinganalog="title">"Film 12--Iran. OW Israelsen Irr. Dept - USU" Photo series of locations and projects in Iran</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:26-30</unitid>
            <unittitle encodinganalog="title">"Film 14--Iran. North West of Tehran. OW Israelsen, USU - Logan" Photo series of locations and projects in Iran</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:08:31-36</unitid>
            <unittitle encodinganalog="title">"Film 16--Iran. North East Mashad and Vicinity. OW Israelsen. Irrig. Dept. USU - Logan." Photo series and projects in Iran</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:01</unitid>
            <unittitle encodinganalog="title">"Vernal Evapo. transportation station"</unittitle>
            <unitdate encodinganalog="date" normal="1948" era="ce" calendar="gregorian" certainty="approximate">July 1948</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:02</unitid>
            <unittitle encodinganalog="title">Men (unidentified) at a broom sale</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:03</unitid>
            <unittitle encodinganalog="title">Cliffdwelling</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:04</unitid>
            <unittitle encodinganalog="title">Cliffdwelling</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:05-08</unitid>
            <unittitle encodinganalog="title">Group of men (unidentified) standing, posed, near canal measurment point</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:09</unitid>
            <unittitle encodinganalog="title">Naked persons working along canal</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:10</unitid>
            <unittitle encodinganalog="title">Flow control gate in canal surrounded by palm trees</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:11</unitid>
            <unittitle encodinganalog="title">Birds or bats flying above a tree</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:12</unitid>
            <unittitle encodinganalog="title">Wide view of a city (unidentified)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:13</unitid>
            <unittitle encodinganalog="title">Battleship at harbor--GS24</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:14</unitid>
            <unittitle encodinganalog="title">Dock housing along river</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:15</unitid>
            <unittitle encodinganalog="title">Perons (unidentified) posing near hedge</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:16</unitid>
            <unittitle encodinganalog="title">Small transport barge on river</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:17</unitid>
            <unittitle encodinganalog="title">Persons (likely OWI and wife, with others) posed near building (unidentified)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:18</unitid>
            <unittitle encodinganalog="title">Person (unidentified) walking near building</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:19</unitid>
            <unittitle encodinganalog="title">OWI with others (unidentified) posing near steps of building</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:20</unitid>
            <unittitle encodinganalog="title">Person (unidentified) posing near walled garden</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:21</unitid>
            <unittitle encodinganalog="title">Persons (2 unidentified, others likely OWI and wife) posed near steps of building</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:22</unitid>
            <unittitle encodinganalog="title">Large helicopter on back of battleship at dock</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:23</unitid>
            <unittitle encodinganalog="title">Warehouse structure on edge of dock</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:24</unitid>
            <unittitle encodinganalog="title">OWI and wife (?) posed with foreign official near columned building</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:09:25-27</unitid>
            <unittitle encodinganalog="title">Irrigated fields. Series includes government from SCS-189 with handwritten descriptions.</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:10:01</unitid>
            <unittitle encodinganalog="title">Men inspecting drain pipe (negative included)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:10:02</unitid>
            <unittitle encodinganalog="title">Men inspecting drain pipe (negative included)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:10:03</unitid>
            <unittitle encodinganalog="title">Men inspecting lined canal (negative included)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:10:04</unitid>
            <unittitle encodinganalog="title">Unimproved field (negative included)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:10:05</unitid>
            <unittitle encodinganalog="title">Drainage canal; stone building on large river (sleeve includes numerous negatives of both)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:11:01</unitid>
            <unittitle encodinganalog="title">Aerial view of fields in Logan valley</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:11:02</unitid>
            <unittitle encodinganalog="title">Aerial view of fields in Logan valley</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:12:01</unitid>
            <unittitle encodinganalog="title">"Mr. Joseph Toombs' windmill and trees, taken froma point west of the road and northwest of the windmill."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:12:02</unitid>
            <unittitle encodinganalog="title">"Mr. Joseph Toombs' house and trees, taken from a point west of the road and looking toward northeast."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:12:03</unitid>
            <unittitle encodinganalog="title">"Mr. Joseph Toombs' trees, house, and shed, taken from a point in the roadway about 20 feet west of Line A, Station 0+00, looking North..."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:12:04</unitid>
            <unittitle encodinganalog="title">"Pressure head studies in the alkali plost (Set 4)  showing method of flushing out the 1/4-inch diameter piezometer tube..."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:12:05</unitid>
            <unittitle encodinganalog="title">"Attorney Le Roy B. Young inspecting upward flow from 190foot depth piezometer in alkali plot at Set 5."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:12:06</unitid>
            <unittitle encodinganalog="title">"O. W. Israelsen indicating depth of second crop alfalfa bear Station 20+40..."</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:13:01</unitid>
            <unittitle encodinganalog="title">Aerial view of Logan valley. Folder includes hand-drawn diagrams of Logan stratigraphy and water flow.</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:13:02</unitid>
            <unittitle encodinganalog="title">Aerial view of Logan valley. Folder includes hand-drawn diagrams of Logan stratigraphy and water flow.</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:14:01-20</unitid>
            <unittitle encodinganalog="title">Envelopes of negatives, many duplicates and singles, in reels and single sheets</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:15:01</unitid>
            <unittitle encodinganalog="title">Misc. documents unrelated to photo series: Nevada road map, ARCO drainage calculator, ADES, Inc. flyer, Western Concrete Association Directory, business card for Richard Griffin</unittitle>
            <unitdate encodinganalog="date" normal="1958" era="ce" calendar="gregorian" certainty="approximate">October 1958</unitdate>
          </did>
        </c02>
        <c02 level="item">
          <did>
            <unitid>4:16:01</unitid>
            <unittitle encodinganalog="title">Mailing envelopes for photos, small paper photo books (no photos within)</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
      </c01>
      <c01 level="file">
        <did>
          <container type="box">5</container>
          <container type="folder">1</container>
          <unittitle encodinganalog="title">Photo book, "Irrigation Structures of Uzbekistan"</unittitle>
          <unitdate encodinganalog="date" normal="1900/1960" era="ce" calendar="gregorian" certainty="approximate">undated</unitdate>
        </did>
        <c02 level="item">
          <did>
            <unitid>5:01:01</unitid>
            <unittitle encodinganalog="title">Bound photo album, "Irrigation Structures of Uzbekistan," includes news clippings in front cover</unittitle>
            <unitdate encodinganalog="date" normal="1940/1959" era="ce" calendar="gregorian" certainty="approximate">1940-1959</unitdate>
          </did>
        </c02>
      </c01>
    </dsc>
  </archdesc>
</ead>

