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<!DOCTYPE ead PUBLIC "+//ISBN 1-931666-00-8//DTD ead.dtd (Encoded Archival Description (EAD) Version 2002)//EN" "ead.dtd">
<ead>
  <eadheader langencoding="iso639-2b" scriptencoding="iso15924" relatedencoding="dc" repositoryencoding="iso15511" countryencoding="iso3166-1" dateencoding="iso8601">
    <eadid countrycode="us" mainagencycode="mthi" identifier="80444/xv30853" url="http://archiveswest.orbiscascade.org/ark:/80444/xv30853" encodinganalog="identifier">
      mtllot28.xml</eadid>
    <filedesc>
      <titlestmt>
        <titleproper encodinganalog="title"> Guide to the Montana Department of Highways photograph
          collection <date encodinganalog="date" type="inclusive" normal="date/date">1915-1959</date></titleproper>
        <titleproper type="filing" altrender="nodisplay"> Montana. Department of Highways </titleproper>
        <author encodinganalog="creator">Finding aid prepared by Rachel Lilley </author>
      </titlestmt>
      <publicationstmt>
        <publisher encodinganalog="publisher"> Montana Historical Society</publisher>
        <date encodinganalog="date" normal="2013" calendar="gregorian" era="ce">2013</date>
      </publicationstmt>
    </filedesc>
    <profiledesc>
      <creation> Finding aid encoded by Loreto Pinochet <date encodinganalog="date" normal="2013" calendar="gregorian" era="ce">2013</date></creation>
      <langusage>Finding aid written in 
        <language encodinganalog="language" langcode="eng" scriptcode="latn">English.</language>
      </langusage>
      <descrules>Finding aid based on DACS ( <title render="italic">Describing Archives: A Content
        Standard, 2nd Edition</title>).</descrules>
    </profiledesc>
  </eadheader>
  <archdesc level="collection" type="inventory" relatedencoding="marc21">
    <did>
      <repository>
        <corpname encodinganalog="852$a">Montana Historical Society<subarea encodinganalog="852$b">Photograph Archives</subarea></corpname>
      </repository>

      <unitid encodinganalog="099" countrycode="us" repositorycode="mthi"> Lot 028</unitid>
      <origination>
        <corpname source="lcnaf" encodinganalog="110" role="creator"> Montana. Department of Highways</corpname>
      </origination>
      <unittitle encodinganalog="245$a"> Montana Department of Highways photograph collection</unittitle>
      <unitdate encodinganalog="245$f" type="inclusive" normal="1915/1959">1915-1959</unitdate>
      <physdesc>
        <extent encodinganalog="300$a">18 boxes</extent>
      </physdesc>
      <physdesc>
        <extent encodinganalog="300$a">3216 photographic prints</extent>
      </physdesc>
      <physdesc>
        <extent encodinganalog="300$a">37 copy prints</extent>
      </physdesc>
      <physdesc>
        <extent encodinganalog="300$a">1674 film negatives</extent>
      </physdesc>
      <abstract encodinganalog="5203_">The photographs in this collection primarily document the
        bridge and road construction projects of the Montana Department of Highways
        (DOH).</abstract>
      <langmaterial>
        <language langcode="eng" encodinganalog="546">No textual or other language materials are
          included in the collection.</language>
      </langmaterial>
    </did>
    <bioghist encodinganalog="5450_">
      <p>The Montana State Highway Commission was created in 1913 by the state Legislative Assembly.
        The original Commission was composed of three members. In 1917 new legislation altered the
        organization of the Commission by authorizing the appointment of twelve members according to
        geographic highway districts. Membership was changed again in 1921 to three members
        appointed by the Governor and in 1941 to five members, also appointed by the Governor. The
        Highway Commission was responsible for the overall management of the Montana Highway
        Department and its programs. The commission developed statewide policies and programs,
        allocated federal and state funds for highway and bridge construction and maintenance
        projects, managed the department’s budgets, approved annual project schedules, and awarded
        contracts for federally-funded road and bridge projects. The commission ensured that the
        highway department met the requirements established by the Federal-Aid highway bills passed
        by Congress, functioning as the link between the federal Bureau of Public Roads (later
        FHWA), the highway department, the state legislature, and the public. The highway commission
        was responsible for the highway department’s preconstruction, construction, accounting, and
        maintenance divisions. </p>
      <p>In 1971 the Commission was renamed the Montana Department of Highways, created by Chapter 7
        of the Executive Reorganization Act of 1971 and implemented by executive order of the
        Governor on December 16, 1971. The Department of Highways took over all but the advisory
        functions of the State Highway Commission. By 1972, the Department consisted of seven
        divisions: the Legal Division, Personnel Division, Centralized Services Division,
        Engineering Division, Motor Pool Division, Gross Vehicle Weight Division, and the
        Maintenance Division. In 1991, the Department of Highways became the Department of
        Transportation. </p>
      <p>The Montana Department of Highways (DOH) photograph collection is a compilation of
        photographs taken of various highways projects across the state of Montana. It includes
        images of traffic accidents and safety procedures, construction methods and materials, and
        all stages of the highway projects. </p>
    </bioghist>
    <scopecontent encodinganalog="5202_">
      <p>The bulk of the collection documents pre-World War II Federal Aid Project (FAP) work done
        by the Department of Highways. Photographs in this collection can be grouped loosely into
        three broad categories: road work, which includes construction equipment, methods, and
        materials; bridges and bridge construction; and miscellany, which includes photographs of
        winter road conditions and snow removal methods. Other groupings of significance are the
        Works Program projects undertaken as part of Franklin D. Roosevelt’s New Deal reforms (see
        Series I, Sub-series II). The dates of the photographs range from 1915-1959, with the bulk
        of the photographs falling between 1930 and 1940. </p>
    </scopecontent>
    <odd encodinganalog="500">
      <p>Most of the photographs in this collection were taken by employees of the Montana
        Department of Highways, but in most cases they are not attributed to specific
        photographers.</p>
    </odd>
    <arrangement encodinganalog="351">
      <p>The photographs in the collection are arranged by subject and organized into three
        subject-based series and sub-series. Series I, Federally Funded Highway Projects, contains
        two sub-series: Pre-War and Post-War. These two sub-series were arranged according to the
        Administrative Fund Letter Designation, which explains the acronyms used for highway
        projects in the pre- and post-war periods. Those pre-war projects whose dates appear to fall
        outside the pre-war time period, were likely started prior to the beginning of World War II,
        and photographed later. Additionally, all projects designated using acronyms to denote that
        they were federally funded highway projects were included in this series, regardless of
        subject (e.g. if a series of photographs of a bridge were designated as an FAP, they were
        included in Series I, not in Series II: Bridges). Series I is organized alphabetically by
        county, and then numerically by project number. </p>
      <p>Series II is comprised of photographs documenting bridge construction around the state of
        Montana. Series II is organized alphabetically by county (bridges whose county was
        unidentified are at the end of this series).</p>
      <p>Series III is comprised of miscellaneous photographs that were neither bridge-related, nor
        identified as federally-funded highway projects. Photographs in this series are arranged
        alphabetically by county; routes are arranged numerically.</p>
    </arrangement>
    <accessrestrict encodinganalog="506">
      <p> Collection is open for research.</p>
    </accessrestrict>
    <userestrict encodinganalog="540">
      <p>The Montana Historical Society is the owner of the materials in the Photograph Archives
        collections and makes available reproductions for research, publication, and other uses.
        Written permission must be obtained from the Photograph Archives before any reproduction
        use. The Society does not necessarily hold copyright to all of the materials in its
        collections. In some cases, permission for use may require seeking additional authorization
        from the copyright owners.</p>
    </userestrict>
    <prefercite encodinganalog="524">
      <p>Department of Highways photograph collection. Lot 028. Box and folder number. Montana
        Historical Society Photographs Archives, Helena, Montana.</p>
    </prefercite>
    <acqinfo encodinganalog="541">
      <p>Acquisition information available upon request.</p>
    </acqinfo>
    <processinfo encodinganalog="583">
      <p>This collection of photographs was transferred from the Archives to the Photograph Archives
        in 1986 and accessioned as PAc 86-15 with other previously accessioned photographs that had
        been transferred from the Department of Highways in 1965, 1985 and 1986. The Montana
        Department of Transportation’s Public Affairs Bureau also transferred some records and
        photographs to the Archives in 1993 (Ac S 93-21). The photographs in this accession were
        transferred from the Archives to the Photographs Archives and accessioned as PAc 93-78. Some
        of these photographs were views of FAPs so they were added to the FAP collection, PAc 86-15.
        The Photographs Archives made copy prints of some of the film negatives that did not have
        matching vintage prints, but many of the film negatives in the collection still have no
        prints. </p>
    </processinfo>
    <relatedmaterial encodinganalog="5441_">
      <p>See the following archival collections for related materials: Montana Department of
        Transportation Bridge Bureau records, Montana Department of Transportation Preconstruction
        Bureau records, Montana Department of Transportation Planning Division records, Montana
        Department of Highways Construction Bureau records, Montana Department of Highways Materials
        Bureau records, and the Montana Department of Highways Engineering Division records. All of
        these collections document, to greater or lesser extent, highway and bridge construction
        projects undertaken by the Department of Highways/Department of Transportation, including
        methods and materials that were used. See also other Department of Transportation
        photographs in PAc 86-15. </p>
    </relatedmaterial>
    <controlaccess>
      <p> This collection is indexed under the following headings. Researchers desiring materials
        about related topics, persons, or places should search under these terms.</p>
      <controlaccess>
        <subject encodinganalog="650" source="lcsh">Roads </subject>
        <subject encodinganalog="650" source="lcsh">Roads-Design and construction</subject>
        <subject encodinganalog="650" source="lcsh">Road work zones</subject>
        <subject encodinganalog="650" source="lcsh">Rivers</subject>
        <subject encodinganalog="650" source="lcsh">Railroads</subject>
        <subject encodinganalog="650" source="lcsh">Bridges</subject>
        <subject encodinganalog="650" source="lcsh">Construction equipment</subject>
      </controlaccess>
      <controlaccess>
        <geogname encodinganalog="651" role="subject" source="lcsh">Montana</geogname>
      </controlaccess>
      <controlaccess>
        <genreform encodinganalog="655" source="gmgpc">Photographic prints</genreform>
        <genreform encodinganalog="655" source="gmgpc">Film negatives</genreform>
      </controlaccess>
      <controlaccess>
        <subject altrender="nodisplay" source="archiveswest" encodinganalog="690">Montana</subject>
        <subject altrender="nodisplay" source="archiveswest" encodinganalog="690">Public works
        </subject>
      </controlaccess>
    </controlaccess>
    <dsc type="combined">
      <head>Detailed Description of the Collection</head>
      <c01 level="series">
        <did>
          <unitid encodinganalog="099">Series I</unitid>
          <unittitle encodinganalog="245$a">Federally-funded highway projects </unittitle>
        </did>
        <c02 level="subgrp">
          <did>
            <unitid>Sub-series I</unitid>
            <unittitle encodinganalog="245$a">Pre-War (FAPs)</unittitle>
          </did>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Big Horn County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">1/1</container>
                <unittitle encodinganalog="245$a">FAP 5, Hardin – Custer, undated: "Hand rail at
                  Station 80 + 60"; road over culvert; era automobile at roadside</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/2</container>
                <unittitle encodinganalog="245$a">FAP 46-B, 1941: Irrigation ditch between Hardin
                  and Custer</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1941</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/3</container>
                <unittitle encodinganalog="245$a">FAP 212, undated: Unidentified bridge near
                  Aberdeen; bridge over Little Big Horn River near Crow Agency; winter road
                  conditions on unidentified road.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Blaine County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">1/4</container>
                <unittitle encodinganalog="245$a">FAP 66, undated: Milk River Bridge site; Pile
                  Bridge site; grading and borrow pits.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/5</container>
                <unittitle encodinganalog="245$a">FAP 66, 1921: Construction of Milk River Bridge
                  near Lohman. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/6</container>
                <unittitle encodinganalog="245$a">FAP 66, 1929: Construction of Clear Creek Bridge
                  near Lohman; Lohmanin background; road refinishing; Two Medicine
                  Bridge.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1929</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/7</container>
                <unittitle encodinganalog="245$a">FAP 80, 1921: Old and new bridge over Savoy Creek,
                  1/2 mile from Savoy.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/8</container>
                <unittitle encodinganalog="245$a">FAP 101, 1922: Road construction near Zurich; Milk
                  River Elevator Company grain elevator; Imperial Elevator Company grain elevator;
                  St. Anthony Elevator Company grain elevator; dike and Harlem ditch; flooding;
                  North Fork Creek.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/9</container>
                <unittitle encodinganalog="245$a">FAP 152, 1925: Condition of un-surfaced highway
                  near People's Creek.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1925</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/10</container>
                <unittitle encodinganalog="245$a">FAP 152 (4), 1940: Construction of Milk River
                  Bridge, near Harlem.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1940</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Broadwater County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">1/11</container>
                <unittitle encodinganalog="245$a">FAP 30, 1920: Toston Bridge from various
                  angles.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/12</container>
                <unittitle encodinganalog="245$a">FAP 97, undated: Bridge over Missouri River at
                  Townsend.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Carbon County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">1/13</container>
                <unittitle encodinganalog="245$a">FAP 3, undated: Black and White Trail; horse and
                  mule teams pulling road construction equipment (grader, road roller,
                  etc.).</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/14</container>
                <unittitle encodinganalog="245$a">FAP 4, undated: Billings-Cody Road; double box
                  culvert; White Horse ditch; Miller dyke; gravel road and fence.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/15</container>
                <unittitle encodinganalog="245$a">FAP 107-D2, undated: Rock Creek; Roscoe; Rock
                  Creek Bridge.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/16</container>
                <unittitle encodinganalog="245$a">FAP 272, undated: Highway beautification; Red
                  Lodge.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Carter County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">1/17</container>
                <unittitle encodinganalog="245$a">FAP 333-A, undated: Bridge Construction of
                  unidentified bridge; work crews; construction equipment.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Cascade County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">1/18</container>
                <unittitle encodinganalog="245$a">FAP 10, 1920-1922: Sun River Road from Great Falls
                  to Sun River; construction equipment; gravel pit; Antelope Creek Bridge; Ford
                  Ranch.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/19</container>
                <unittitle encodinganalog="245$a">FAP 10, undated: Vaughn, Montana; Muddy Creek
                  Bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/20</container>
                <unittitle encodinganalog="245$a">FAP 54, 1922: Sun River-Great Falls Road between
                  Sun River and Great Falls; Great Falls in distance.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/21</container>
                <unittitle encodinganalog="245$a">FAP 64, 1920: Great Falls-Belt; re-grade work on
                  Belt Hill west of Belt; Johnson Flats with box culvert; steam shovel; gravel
                  loading plant in distance.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/22</container>
                <unittitle encodinganalog="245$a">FAP 64, 1922-1934: Great Falls-Belt; landslide;
                  Box Elder Bridge; era automobile; Highwood Mountains; Great Northern Railroad
                  Underpass at Crossing No. 1; road near Fife.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922-1934</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/23</container>
                <unittitle encodinganalog="245$a">FAP 65A: Choteau to Sun River; Teton River; Teton
                  Bridge; Bole, Priest Butte; flume pit; work crews; horse-drawn wagons</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">1/24</container>
                <unittitle encodinganalog="245$a">FAP 72, 1922-1923: Belt Creek Bridge, before and
                  during replacement construction.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922-1923</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/1</container>
                <unittitle encodinganalog="245$a">FAP 73, 1923: Belt Creek Crossing #1 and Belt
                  Creek Bridge #1 construction; concrete abutments.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1923</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/2</container>
                <unittitle encodinganalog="245$a">FAP 73, 1923: Construction of Belt Creek Bridge
                  #2; work crews and construction equipment.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1923</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/3</container>
                <unittitle encodinganalog="245$a">FAP 73, 1923: Railroad bridges over Belt Creek;
                  rip rap and piers.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1923</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/4</container>
                <unittitle encodinganalog="245$a">FAP 73, 1923: Belt Creek; roads and train tracks
                  near Belt Creek; surveying crews.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1923</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/5</container>
                <unittitle encodinganalog="245$a">FAP 73, 1923: Otter Creek Bridge (between Belt and
                  Riceville).</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1923</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/6</container>
                <unittitle encodinganalog="245$a">FAP 73, 1927: Slide damage on Riceville Road; Belt
                  Hill; Belt Creek.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1927</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/7</container>
                <unittitle encodinganalog="245$a">FAP 149, 1921: Condition of road between Great
                  Falls and Havre.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/8</container>
                <unittitle encodinganalog="245$a">FAP 164, 1922: Conditions of Valieria Drive on
                  Great Falls-Belt Highway.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/9</container>
                <unittitle encodinganalog="245$a">FAP 172, undated: Missouri River Bridge, near
                  Hardy.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/10</container>
                <unittitle encodinganalog="245$a">FAP 218-B, undated: Great Falls; Country Club;
                  Gore Hill; Sun River Bridge approach.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Choteau County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">2/11</container>
                <unittitle encodinganalog="245$a">FAP 15, 1928: Smith Creek Bridge in winter.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/12</container>
                <unittitle encodinganalog="245$a">FAP 23, 1929: Horse-drawn grader; a gravel chip
                  hauler; bridge at the east city limits of Chinook; Chinook in the distance.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1929</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Custer County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">2/13</container>
                <unittitle encodinganalog="245$a">FAP 18, 1920: Tongue River #1; Tongue River Road,
                  gravel re-surfaced. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/14</container>
                <unittitle encodinganalog="245$a">FAP 86-D, undated: Completed stone chip surfacing
                  of unidentified road. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/15</container>
                <unittitle encodinganalog="245$a">FAP 86-E2, undated: Construction of Powder River
                  Bridge, near Miles City; housing over pier. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/16</container>
                <unittitle encodinganalog="245$a">FAP 135-G2, undated: Tongue River bridge at Miles
                  City. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/17</container>
                <unittitle encodinganalog="245$a">FAP 157, undated: Yellowstone River Bridge.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Dawson County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">2/18</container>
                <unittitle encodinganalog="245$a">FAP 6, 1919-1920: Red Trail East; Badlands near
                  Glendive; Model-T; Station 383/50 and Station 214; automobile accident; close-up
                  of construction equipment (possibly grader blade). </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1919-1920</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/19</container>
                <unittitle encodinganalog="245$a">FAP 7, 1920-1923: Red Trail West; Sand Creek
                  Bridge (1923 flood damage); several photographs/postcards of high water over
                  Sidney Trail in Glendive, 1921; gravel loader and gravel screen (both affixed to
                  wagons). </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1923</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">2/20</container>
                <unittitle encodinganalog="245$a">FAP 121, 1922: Paving project in the city of
                  Glendive; Jordan Hotel; Merrill Avenue; Bell Street; Grill Café; Palace Café;
                  Davis and Farnum Drugs; Douglas Mead Company; Glendive Meat Company; M.L. Lee
                  Billiards; Valentine Street; Northern Pacific Depot; Yellowstone River; G.D.
                  Hollecker; The Exchange; Midland Coal &amp; Lumber Company; The Merchants National
                  Bank; Towne Street; Municipal Swimming Pool and Park; Kendrick Avenue; Yellowstone
                  River Bridge; Bell Street; aggregate plant; Dawson County Court House; Mayor W.E.
                  Martin; City Engineer R. T. Hurdle; Glendive City Hall; Power Street; Millinery;
                  William Rothe Dry Cleaning and Dressing; Douglas Street; residence of Charles
                  Krug; construction methods and materials; work crews. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">3/1</container>
                <unittitle encodinganalog="245$a">FAP 121, 1922: Glendive Paving Project,
                  Identifications – Photocopies of photographs from paving project in Glendive, with
                  captions. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">3/2</container>
                <unittitle encodinganalog="245$a">FAP 121, 1922: Paving project in Glendive (1-20).
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">3/3</container>
                <unittitle encodinganalog="245$a">FAP 121, 1922: Paving project in Glendive (21-40).
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">3/4</container>
                <unittitle encodinganalog="245$a">FAP 121, 1922: Paving project in Glendive (41-60).
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">3/5</container>
                <unittitle encodinganalog="245$a">FAP 121, 1922: Paving project in Glendive (61-82).
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">3/6</container>
                <unittitle encodinganalog="245$a">FAP 130, 1922: Paving project in Glendive; cement
                  truck; railroad tracks; underpass. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">3/7</container>
                <unittitle encodinganalog="245$a">FAP 199, 1922: Main Street in Glendive; Northern
                  Pacific Depot in distance. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Deer Lodge County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">3/8</container>
                <unittitle encodinganalog="245$a">FAP 43-C, 1943: Snow plow at work between Ralston
                  and Squaw Creek. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1943</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">3/9</container>
                <unittitle encodinganalog="245$a">FAP 68, 1921: Bridge and road construction between
                  Anaconda and Butte. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">3/10</container>
                <unittitle encodinganalog="245$a">FAP 68, undated: Road construction between
                  Anaconda and Butte; Horse-drawn grading team; Willow Glen Farm near Opportunity;
                  pouring and tamping concrete; coal-powered construction equipment; construction
                  teams at work and inspectors; "Applegate's Gang;" triple 4x6 culvert. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Fallon County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">3/11</container>
                <unittitle encodinganalog="245$a">FAP 48, 1922: Bridge construction along the road
                  between Ekalaka and Baker, 21 miles south of Baker; wagon teams hauling cement for
                  bridge construction. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">3/12</container>
                <unittitle encodinganalog="245$a">FAP 86-B, 1922: Conditions of Scorio Road near
                  Baker, before and after construction improvements. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">3/13</container>
                <unittitle encodinganalog="245$a">FAP 86-B, 1933: Road improvements to unidentified
                  road near Baker; loading scoria (type of rock) onto wagons; winter conditions.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1933</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Fergus County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">3/14</container>
                <unittitle encodinganalog="245$a">FAP 26, undated: "Earth road" between Grass Range
                  and Roundup; travelers in wagon; Black Butte seen in distance. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">3/15</container>
                <unittitle encodinganalog="245$a">FAP 27, undated: Unfinished earth road between
                  Grass Range and Roundup. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/1</container>
                <unittitle encodinganalog="245$a">FAP 28, 1921: Flatwillow Creek Bridge; "tube and
                  shoe" construction; Pike Creek Bridge abutment repair; hills and road south of
                  Flatwillow. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/2</container>
                <unittitle encodinganalog="245$a">FAP 103-A, B, C, 1921-1938: Road construction
                  between Hilger and Roy; concrete paving project with town in distance; 1921 flood
                  damage; Burnett Creek Hill. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921-1938</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/3</container>
                <unittitle encodinganalog="245$a">FAP 112, 1921: Lewistown; Boulevard Bridge site;
                  1921 flood damage in Lewistown; Big Spring Creek; train in background; Mill Ditch
                  Bridge during construction and completed; Montana Flour Mill Company; Main Street
                  Bridge construction; work crews; homes and businesses in background; paving on
                  Boulevard Street, near Elm Street; 2 Miracle Construction Company; East Lake
                  Avenue; Lewistown Concrete Supply Company; Lewistown Mercantile and Wholesale
                  Grocers. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/4</container>
                <unittitle encodinganalog="245$a">FAP 229-B, 1936: Preconstruction work on road
                  between Lewistown and Grass Range. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/5</container>
                <unittitle encodinganalog="245$a">FAP 229-B, C, 1939: Bridge over McDonald Creek.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1939</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/6</container>
                <unittitle encodinganalog="245$a">FAP 229-D, 1948: Spring weather damage to
                  unidentified road. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1948</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/7</container>
                <unittitle encodinganalog="245$a">FAP 229-E, 1939: Treated timber trestle bridge
                  over unidentified creek. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1939</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Flathead County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">4/8</container>
                <unittitle encodinganalog="245$a">FAP 81, 1921: 15 Mile Creek Conditions of 15 Mile
                  Creek near Somers. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/9</container>
                <unittitle encodinganalog="245$a">FAP 93, undated: Grading of Polson; spreading
                  gravel; horse-drawn graders; construction equipment; gravel pit. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/10</container>
                <unittitle encodinganalog="245$a">FAP 93, undated: Road and bridge construction
                  along road to Polson; American Indian women; horse-drawn leveler; Polson; Mission
                  mountain range; double box culvert. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/11</container>
                <unittitle encodinganalog="245$a">FAP 260, undated: Unidentified road near "Belton
                  East" (now West Glacier). </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/12</container>
                <unittitle encodinganalog="245$a">FAP 377, undated: Bridge construction near
                  Whitefish. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/13</container>
                <unittitle encodinganalog="245$a">FAP 58-I, 1933-1940: Asphalt improvements to road
                  between Kalispell and Libby. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1933-1940</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Gallatin County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">4/14</container>
                <unittitle encodinganalog="245$a">FAP 40, 1921-1922: Belgrade-Maudlow; bridge being
                  constructed over the East Gallatin River near Belgrade; coal-powered equipment
                  (crane). </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921-1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/15</container>
                <unittitle encodinganalog="245$a">FAP 41, undated: Work crew spreading gravel on
                  road south of Manhattan, near Manhattan Ranch. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/16</container>
                <unittitle encodinganalog="245$a">FAP 44-A, B, 1920-1922: Paving a section of
                  Yellowstone Trail near Bozeman; crews tamping concrete; coal-powered construction
                  equipment. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/17</container>
                <unittitle encodinganalog="245$a">FAP 46, undated: Cottonwood Canyon, south of
                  Bozeman. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/18</container>
                <unittitle encodinganalog="245$a">FAP 51, circa 1918: Main Street in Manhattan before,
                  during, and after paving; mixing, dumping, and tamping cement; work-horse teams;
                  coal-powered cement plant. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">circa 1918</unitdate> 
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/19</container>
                <unittitle encodinganalog="245$a">FAP 76-A, B, 1922-1924: Salesville Bridge, near
                  Salesville; West Gallatin River; culvert improvements. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922-1924</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/20</container>
                <unittitle encodinganalog="245$a">FAP 82-A, 1922: Road surfacing between Manhattan
                  and Belgrade; chip and seal coat; oil distributor; oil storage plant. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/21</container>
                <unittitle encodinganalog="245$a">FAP 82-A, undated: Conditions of Yellowstone
                  Trail; unidentified bridge construction. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">4/22</container>
                <unittitle encodinganalog="245$a">FAP 82-B, 1921: Central Park Bridge; log and rock
                  dike; Northern Pacific Railway bridge over West Gallatin River near Central Park.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/1</container>
                <unittitle encodinganalog="245$a">FAP 82-B, 1921: West Gallatin River; Central Park
                  Bridge; homes in distance; horse-drawn wagon. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/2</container>
                <unittitle encodinganalog="245$a">FAP 82-C, 1922: Baker Creek Bridge; construction
                  of Camp Creek Bridge, near Manhattan. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/3</container>
                <unittitle encodinganalog="245$a">FAP 169, undated: Damage to guard rail along
                  unidentified road; unidentified gravel plant; unidentified bridge in distance.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/4</container>
                <unittitle encodinganalog="245$a">FAP 177, undated: Railroad overhead near Logan.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/5</container>
                <unittitle encodinganalog="245$a">FAP 222-C, D, 1938: Rocky Canyon bridge; highway
                  beautification; bridge construction over railroad tracks east of Bozeman; site for
                  turnout and museum. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1938</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Garfield County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">5/6</container>
                <unittitle encodinganalog="245$a">FAP 247-E, F, undated: Bridge over Little Dry
                  Creek, near Jordan. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Glacier County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">5/7</container>
                <unittitle encodinganalog="245$a">FAP 190, 1943: Snow plow removing snow between
                  Birch Creek and Browning Wye (refers to a “y” junction in the roadway).
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1943</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/8</container>
                <unittitle encodinganalog="245$a">FAP 196-B, 1927: Winter road conditions in and
                  near Browning; snow plow; Texaco; J.E. Davis Drugstore in Browning. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1927</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/9</container>
                <unittitle encodinganalog="245$a">FAP 208, 210, 1948: Babb-Kennedy Creek Junction;
                  winter road conditions near Babb; Hudson Bay divide. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1948</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/10</container>
                <unittitle encodinganalog="245$a">FAP 227, 1943: Winter conditions on road between
                  Browning and Babb; Hudson Bay divide. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1943</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Golden Valley County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">5/11</container>
                <unittitle encodinganalog="245$a">FAP 268-D2, 1932: Unidentified bridge between
                  Ryegate and Roundup. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1932</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Granite County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">5/12</container>
                <unittitle encodinganalog="245$a">FAP 78, undated: Conditions of Flint Creek Road.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/13</container>
                <unittitle encodinganalog="245$a">FAP 78, undated: Conditions of Flint Creek Road.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/14</container>
                <unittitle encodinganalog="245$a">FAP 78, undated: Conditions of Flint Creek Road;
                  construction equipment. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/15</container>
                <unittitle encodinganalog="245$a">FAP 78, undated: Conditions of Flint Creek Road.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/16</container>
                <unittitle encodinganalog="245$a">FAP 92, 1920-1921: Construction on Mullan Road
                  near Bearmouth; old Northern Pacific quarry; Convict Road; convict camp; prison
                  camp; construction equipment; work crews. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/17</container>
                <unittitle encodinganalog="245$a">FAP 175-A5, undated: Condition of section of road
                  near Philipsburg. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/18</container>
                <unittitle encodinganalog="245$a">FAP 184-A, undated: Excavation with backhoe near
                  railroad tracks; horse and wagon; work crews; Granite County Commissioner
                  (unidentified). </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/19</container>
                <unittitle encodinganalog="245$a">FAP 205-D2, undated: Unidentified bridge near
                  Drummond. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Granite and Powell Counties</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">5/20</container>
                <unittitle encodinganalog="245$a">FAP 184, 1927: Road improvements between Bearmouth
                  and Deer Lodge; Garrison; Garrison Hill; railroad crossings; road conditions
                  in/near Drummond; Gold Creek. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1927</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Hill County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">5/21</container>
                <unittitle encodinganalog="245$a">FAP 95-A, 1922: Road improvements and work between
                  Gildford and Havre; work crews; shoveling snow by hand; snow fences. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/22</container>
                <unittitle encodinganalog="245$a">FAP 95-A, 1921: Conditions of Box Elder Creek
                  Bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/23</container>
                <unittitle encodinganalog="245$a">FAP 95-B, 1922: Glacier Park Trail near Pacific
                  Junction, west of Havre; Big Sandy Creek Bridge; Burnham. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/24</container>
                <unittitle encodinganalog="245$a">FAP 95-B, 1921: Big Sandy Creek Bridge near Havre.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/25</container>
                <unittitle encodinganalog="245$a">FAP 95-C, undated: Road conditions before and
                  after grading of unidentified road; homes in distance. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">5/26</container>
                <unittitle encodinganalog="245$a">FAP 95-C, 1922: Gravel screening plant near
                  Gildford; Russell Grader Manufacturing Company rock crusher; work crews; field
                  stone piled prior to crushing. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Jefferson County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">6/1</container>
                <unittitle encodinganalog="245$a">FAP 12, 1920-1923: Jefferson River Crossing/Three
                  Forks Bridge construction; bridge tubes and web; completed construction and
                  updates (new rip rap). </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1923</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/2</container>
                <unittitle encodinganalog="245$a">FAP 69, 1941: Paving near Whitehall; pouring and
                  tamping concrete; homes in background. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1941</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/3</container>
                <unittitle encodinganalog="245$a">FAP 242-D, undated: Bridge over the Boulder River.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/4</container>
                <unittitle encodinganalog="245$a">FAP 248, 1928: Paving project site in Whitehall;
                  Yellowstone Theater in Whitehall; underpass site at Chicago, Milwaukee, and St.
                  Paul crossing 2-A; bridge site over Jefferson River near Willow Creek; Jefferson
                  Canyon; limestone quarry; Jefferson Island; Northern Pacific Willow Creek Railroad
                  station. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Lake County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">6/5</container>
                <unittitle encodinganalog="245$a">FAP 63, undated: Road work near Pablo, Ronan, and
                  St. Ignatius; horse-drawn graders; Crow Creek; Ninepipe Reservoir; St. Ignatius in
                  distance. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/6</container>
                <unittitle encodinganalog="245$a">FAP 197-B, undated: Jocko River and Northern
                  Pacific Railway at Ravalli. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Lewis and Clark County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">6/7</container>
                <unittitle encodinganalog="245$a">FAP 77, 1927: Road construction sites between
                  Helena and Townsend; Placer; Antelope Creek; Winston; Missouri River near
                  Townsend. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1927</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/8</container>
                <unittitle encodinganalog="245$a">FAP 77-B, B2, 1922-1923: Road construction in East
                  Helena; pouring and tamping concrete paving; East Helena streets; East Helena Meat
                  Market; construction equipment; work crews; townspeople; East Helena businesses;
                  residences. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922-1923</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/9</container>
                <unittitle encodinganalog="245$a">FAP 172, 1921: Missouri River Canyon near Wagner
                  Creek; Stickney Creek ; ranch near Stickney Creek; Stickney Creek bridge site;
                  Eagle Rock. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/10</container>
                <unittitle encodinganalog="245$a">FAP 178, undated: Bridge/overhead near Montana
                  City. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/11</container>
                <unittitle encodinganalog="245$a">FAP, 238-A, 1928: Dearborn River Bridge, north of
                  Wolf Creek. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/12</container>
                <unittitle encodinganalog="245$a">FAP 275-C2, undated: Sun River near Augusta;
                  bridge construction near Augusta; work crews; construction equipment and methods.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Lewis and Clark and Cascade Counties</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">6/13</container>
                <unittitle encodinganalog="245$a">FAP 172-C, 1939: Wolf Creek-Cascade; before and
                  after beautification project between Wolf Creek and Cascade; turnouts; Missouri
                  River Bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1939</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Lewis and Clark and Gallatin Counties</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">6/14</container>
                <unittitle encodinganalog="245$a">FAP 77-A, undated: Road construction sites between
                  Helena and Bozeman; Four Range Ranch; Logan. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/15</container>
                <unittitle encodinganalog="245$a">FAP 77-C, undated: Road construction between
                  Helena and Bozeman; Lewis and Clark Company grader; gravel crushing plant.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/16</container>
                <unittitle encodinganalog="245$a">FAP 77-C, 1921: Construction on road between
                  Helena and Bozeman; new guard rail east of Helena. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Lincoln County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">6/17</container>
                <unittitle encodinganalog="245$a">FAP 250-A, B, D; 330-B, 1938: Construction near
                  Libby; construction equipment; work crews. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1938</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/18</container>
                <unittitle encodinganalog="245$a">FAP 250-D2, undated: Callahan Creek Bridge and
                  Bents Lake Bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03>
            <did>
              <unittitle encodinganalog="245$a">Madison County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">6/19</container>
                <unittitle encodinganalog="245$a">FAP 9-A, undated: Ennis-Virginia City; Stag Point,
                  looking west; horse-drawn construction equipment (grader) and operator.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/20</container>
                <unittitle encodinganalog="245$a">FAP 9-B, 1922: Horse-drawn construction equipment
                  and operators; gravel pit; completed roadwork. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/21</container>
                <unittitle encodinganalog="245$a">FAP 244, 1932: “E244-B1;” unidentified road.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1932</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/22</container>
                <unittitle encodinganalog="245$a">FAP 244-D2, undated: Construction of bridge over
                  Madison River, near Ennis; O'Dell Creek. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">6/23</container>
                <unittitle encodinganalog="245$a">FAP 244-D2, 1936: Madison River Bridge; O'Dell
                  Creek. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Meagher County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">7/1</container>
                <unittitle encodinganalog="245$a">FAP 8, 1920-1922: North Fork Road Bridge;
                  horse-drawn graders at Grading Station 95; mule team and driver "on Fresno;"
                  Bridge at Five Mile Creek. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/2</container>
                <unittitle encodinganalog="245$a">FAP 8-F, 1936: Gravel road between Harlowton and
                  White Sulfer Springs, "as constructed." </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/3</container>
                <unittitle encodinganalog="245$a">FAP 49-A, 1922: County Road #1; arch culvert to be
                  replaced with box culvert at Station 58+00 in Meagher County (near Fort Logan).
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/4</container>
                <unittitle encodinganalog="245$a">FAP 94, 1920: Road conditions on "Washboard Hill"
                  near Sheep Creek. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Mineral County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">7/5</container>
                <unittitle encodinganalog="245$a">FAP 233, 1925: Construction on the Cyr Bridge,
                  over Clarks Fork of the Columbia River. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1925</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/6</container>
                <unittitle encodinganalog="245$a">FAP 233, 1927: Construction on the Cyr Bridge,
                  over Clarks Fork of the Columbia River. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1927</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/7</container>
                <unittitle encodinganalog="245$a">FAP 233, 1928: Construction on the Cyr Bridge,
                  over Clarks Fork of the Columbia River; opening day celebration. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/8</container>
                <unittitle encodinganalog="245$a">FAP 233, 1928: Construction on the Cyr Bridge,
                  over Clarks Fork of the Columbia River; opening day celebration. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/9</container>
                <unittitle encodinganalog="245$a">FAP 233, 1925, 1927, 1928, undated: Construction on the Cyr Bridge,
                  over Clarks Fork of the Columbia River. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1925</unitdate>
                <unitdate encodinganalog="245$f" type="inclusive">1927</unitdate>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            
            <c04 level="file">
              <did>
                <container type="box-folder">7/10</container>
                <unittitle encodinganalog="245$a">FAP 233, 1928 &amp; undated: Construction on the Cyr Bridge,
                  over Clarks Fork of the Columbia River. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/11</container>
                <unittitle encodinganalog="245$a">FAP 233, undated: Construction on the Cyr Bridge,
                  over Clarks Fork of the Columbia River. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04> 
            <c04 level="file">
              <did>
                <container type="box-folder">7/12</container>
                <unittitle encodinganalog="245$a">FAP 254, 1928: Proposed construction sites between
                  St. Regis and Tarkio; Marlin Spur; Red Hill. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Missoula County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">7/13</container>
                <unittitle encodinganalog="245$a">FAP 29, 1920-1922: Resurfacing the Marshall Grade
                  near Missoula; culvert over Marshall Creek; steam- or coal-powered construction
                  equipment; slide areas. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/14</container>
                <unittitle encodinganalog="245$a">FAP 29, 1920-1922: Resurfacing the Marshall Grade
                  near Missoula; culvert over Marshall Creek; steam- or coal-powered construction
                  equipment; slide areas. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/15</container>
                <unittitle encodinganalog="245$a">FAP 29, undated: Arch culvert constructed over
                  Marshall Creek. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/16</container>
                <unittitle encodinganalog="245$a">FAP 215, undated: Bitter Root Road. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/17</container>
                <unittitle encodinganalog="245$a">FAP 215-A, 1928: Buckhouse Bridge over Bitterroot
                  River, south of Missoula. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/18</container>
                <unittitle encodinganalog="245$a">FAP 219-E, undated: Construction of railway
                  overhead over unidentified road near Missoula. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/19</container>
                <unittitle encodinganalog="245$a">FAP 237-C2, undated: Blackfoot River bridge.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Musselshell County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">7/20</container>
                <unittitle encodinganalog="245$a">FAP 33, 1936: Musselshell River South of Roundup;
                  Musselshell River Bridge during construction; captions include information about
                  the type of construction, bridge measurements, etc. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/21</container>
                <unittitle encodinganalog="245$a">FAP 91, undated: Paving project in city of
                  Roundup; homes on "cliffs at Roundup;" George L. Hommel Garage; church, possibly
                  Assembly of God on Main Street; photo processing business. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/22</container>
                <unittitle encodinganalog="245$a">FAP 108-B, 1934: Road between Billings and
                  Roundup; penetration oil use. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1934</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/23</container>
                <unittitle encodinganalog="245$a">FAP 328-G, 1934: Road construction between Roundup
                  and Forsyth; road construction materials and methods. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1934</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Park County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">7/24</container>
                <unittitle encodinganalog="245$a">FAP 13, undated: Yellowstone Trail #1;
                  construction equipment, including steam- or coal-powered diggers; completed
                  construction with automobiles. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/25</container>
                <unittitle encodinganalog="245$a">FAP 13, undated: Yellowstone Trail; M.P. Railway
                  bridge at Cottonwood Creek near Gardiner; Yankee Jim Canyon on Gardiner-Livingston
                  Road; gravel crushing plant; Livingston, Montana; Corwin Hot Springs; Corwin
                  Bridge; Truss Bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/26</container>
                <unittitle encodinganalog="245$a">FAP 14, 1920-1921: Carter Bridge site pre- and
                  post-construction; construction equipment; automobiles crossing bridge.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/27</container>
                <unittitle encodinganalog="245$a">FAP 14, 1920-1921: Carter Bridge site pre- and
                  post-construction; construction equipment; automobiles crossing bridge.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/28</container>
                <unittitle encodinganalog="245$a">FAP 60-A, undated: Concrete viaduct on route
                  between Livingston and Wilsall; view of completed viaduct features large barn and
                  homes in background. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/29</container>
                <unittitle encodinganalog="245$a">FAP 60-B, 1923: Gravel road between Livingston and
                  Wilsall; era automobile. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1923</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/30</container>
                <unittitle encodinganalog="245$a">FAP 60-C, 1923-1924: Bridges between Livingston
                  and Wilsall; Rock Creek Bridge; Shields River Bridge; unidentified bridge.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1923-1924</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">7/31</container>
                <unittitle encodinganalog="245$a">FAP 117-B2, undated: Construction work on
                  unidentified bridge near Livingston. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Pondera County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">7/32</container>
                <unittitle encodinganalog="245$a">FAP 67-A, 1931: Dry Fork of the Marias River near
                  Conrad. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1931</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Powder River County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">7/33</container>
                <unittitle encodinganalog="245$a">FAP 262-D, undated: "How bridge" over the Powder
                  River. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Ravalli County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">8/1</container>
                <unittitle encodinganalog="245$a">FAP 22, 1920: Bitter Root Road; surveying team,
                  dump truck, screening plant. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">8/2</container>
                <unittitle encodinganalog="245$a">FAP 39, 1920: Construction of Bell Crossing Bridge
                  near Glendive (?). </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">8/3</container>
                <unittitle encodinganalog="245$a">FAP 39, 1920: Construction of Bell Crossing
                  Bridge; rock and brush jetties; log cribs; tube supports. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">8/4</container>
                <unittitle encodinganalog="245$a">FAP 139-A, 1928: Chaffin Bridge over Bitterroot
                  River, near Darby. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Richland County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">8/5</container>
                <unittitle encodinganalog="245$a">FAP 265-A, 1945: Sidney breakwater; construction
                  of unidentified bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1945</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Roosevelt County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">8/6</container>
                <unittitle encodinganalog="245$a">FAP 79, 1924-1928: Condition of the Sieps Bridge
                  between Poplar and Scobey </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1924-1928</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">8/7</container>
                <unittitle encodinganalog="245$a">FAP 84, 1929: Construction along Glacier Park
                  Trail; gravel resurfacing at Wolf Point; Little Wolf Creek Bridge; Chelsea; Poplar
                  River Bridge; box culverts; gravel spreader; deterioration of culvert on road
                  between Culbertson and Bainville. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1929</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">8/8</container>
                <unittitle encodinganalog="245$a">FAP 84-J, 1927-1929: Great Northern Railway
                  underpass near Snowden; box culvert. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1927-1929</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">8/9</container>
                <unittitle encodinganalog="245$a">FAP 253-A2, 1929: Construction of bridge over
                  Missouri River near Wolf Point; Missouri Valley Bridge and Iron Company; concrete
                  mixing plant; work crews; construction methods and equipment. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1929</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">8/10</container>
                <unittitle encodinganalog="245$a">FAP 253-A2, 1929: Construction of Missouri River
                  Bridge near Wolf Point; work crews; construction equipment and methods; Macon
                  Bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1929</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">8/11</container>
                <unittitle encodinganalog="245$a">FAP 253-A2, 1930: Construction of Missouri River
                  Bridge near Wolf Point; finished bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1930</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Rosebud County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">8/12</container>
                <unittitle encodinganalog="245$a">FAP 15, 1920: Yellowstone Trail near Forsyth;
                  railroad tracks, including horse-drawn construction teams; railroad crossing at
                  Station 576; guardrails; contractors' campsite. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">8/13</container>
                <unittitle encodinganalog="245$a">FAP 328-H, 1945: Road conditions between Vanada
                  and Ingomar. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1945</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">8/14</container>
                <unittitle encodinganalog="245$a">FAP 334-E, 1947: Busby gravel pit; construction
                  equipment. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1947</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Sanders County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">9/1</container>
                <unittitle encodinganalog="245$a">FAP 88-A, 1921: Old bridge at Revais Creek;
                  construction on Revais Creek Road. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">9/2</container>
                <unittitle encodinganalog="245$a">FAP 88-A, 1922: Winter conditions on road between
                  Perma and Dixon; Melrose Road. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">9/3</container>
                <unittitle encodinganalog="245$a">FAP 90-A, 1920s: Road conditions between Belknap
                  and Furlong; railroad crossing; Trout Creek. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920s</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">9/4</container>
                <unittitle encodinganalog="245$a">FAP 90-A, 1922: Belknap-Furlong; gravelling in
                  winter using horse-drawn sleighs; Beaver Creek gravel pit; Perma. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">9/5</container>
                <unittitle encodinganalog="245$a">FAP 90-B, 1922: Beaver Creek Bridge improvements;
                  trestle bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Silver Bow County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">9/6</container>
                <unittitle encodinganalog="245$a">FAP 68-C2, 1928: Construction at Silver Bow Creek
                  Bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">9/7</container>
                <unittitle encodinganalog="245$a">FAP 70-A, 1918: Construction work on road between
                  Anaconda and Butte; procession of automobiles, lead car decorated with American
                  flags and full men in uniform. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1918</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">9/8 </container>
                <unittitle encodinganalog="245$a">FAP 70-A, 1921: Road construction between Anaconda
                  and Butte; "modern paving machine;" mixing plant; "Reardon's gang" work crew; use
                  of surplus war truck to haul supplies. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">9/9</container>
                <unittitle encodinganalog="245$a">FAP 70-B, 1922: Road construction between Anaconda
                  and Butte; culvert; Reardon's work crew; coal-powered equipment; workers tent
                  camp; gravel crushing plant; crane with operators, "Contractor L.T. Lawler."
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">9/10</container>
                <unittitle encodinganalog="245$a">FAP 70-B, 1927: Anaconda-Butte; young boy in front
                  of road construction equipment ("oiler") and train in background; recently oiled
                  roads; paved and striped road. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1927</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">9/11</container>
                <unittitle encodinganalog="245$a">FAP 70-A, B: Road conditions between Anaconda and
                  Butte (gravel vs. concrete); Emmet Avenue in Butte; County Commissioner Fabian.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">9/12</container>
                <unittitle encodinganalog="245$a">FAP 279-2, undated: Construction of west overpass
                  in Butte. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Stillwater County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">9/13</container>
                <unittitle encodinganalog="245$a">FAP 23, undated: Unidentified gravel road; one
                  photo of county gravel pit used for this re-surfacing project. </unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate></did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Sweetgrass County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">9/14</container>
                <unittitle encodinganalog="245$a">FAP 127, 1928: Upper Deer Creek Bridge, near Big
                  Timber. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Teton County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">9/15</container>
                <unittitle encodinganalog="245$a">FAP 65-B, 1920-1922: Road project area between
                  Choteau and Sun River; Mill Coulee; farmhouses along road; girl on horse.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">9/16</container>
                <unittitle encodinganalog="245$a">FAP 82, 1922: Gravel crushing plant; finished road
                  with era automobiles; near Agawam [?]. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Toole County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">10/1</container>
                <unittitle encodinganalog="245$a">FAP 62, undated: Construction work on stretch of
                  road between Shelby and Galata; gravel plant operations; culvert installation;
                  finished roadway. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/2</container>
                <unittitle encodinganalog="245$a">FAP 62, 1921: Willow Creek Bridge near Galata.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/3</container>
                <unittitle encodinganalog="245$a">FAP 62, 1921-1922: Shelby-East; gravel road east
                  of Galata; earth road near Dunkirk (with homes and buildings at horizon);
                  horse-drawn graters. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1921-1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/4</container>
                <unittitle encodinganalog="245$a">FAP 67, 1929: Marias River Bridge near Shelby.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1929</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/5</container>
                <unittitle encodinganalog="245$a">FAP 67-B, 1935: Construction of the Shelby Bridge;
                  Pettibone Slough; finished bridge with era automobiles. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1935</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/6</container>
                <unittitle encodinganalog="245$a">FAP 243-C, 1932: Sweetgrass from a distance;
                  Sweetgrass city street; John Mars Flour and Feed. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1932</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/7</container>
                <unittitle encodinganalog="245$a">FAP 367, undated: Bridge construction near Hysham.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Valley County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">10/8</container>
                <unittitle encodinganalog="245$a">FAP 83, 1920: Resurfacing road between Hinsdale
                  and Thoney; gravel screening plant; horse-drawn graders and gravel wagons; homes
                  in the distance. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/9</container>
                <unittitle encodinganalog="245$a">FAP 232, undated: Roosevelt Trail; bridge over
                  Little Porcupine Creek at Fraser. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/10</container>
                <unittitle encodinganalog="245$a">FAP 256-E, 1932: Sage Hen Creek; flood damage done
                  to north fork of Sage Hen Creek bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1932</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Wheatland County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">10/11</container>
                <unittitle encodinganalog="245$a">FAP 115, 1928: Prospective construction sites
                  between Harlowtown and Ryegate; Graves Hotel; homes and businesses in background;
                  Shawmut; bluff between Ryegate and Barber. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/12</container>
                <unittitle encodinganalog="245$a">FAP 292-A, undated: Unidentified bridge over
                  railway near Harlowton. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Wibaux County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">10/13</container>
                <unittitle encodinganalog="245$a">FAP 1, undated: Red Trail #1; Red Trail road west
                  of Wibaux; dirt road with house in distance. Caption explains that this was the
                  "first Federal Aid project in Montana." </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/14</container>
                <unittitle encodinganalog="245$a">FAP 35, 1922: Red Trail #2; damage to Northern
                  Pacific Railway track east of Wibaux; horse-drawn construction teams (graders) and
                  operators; construction equipment and methods. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/15</container>
                <unittitle encodinganalog="245$a">FAP 61, 1920-1922: Bridge and culverts near
                  Wibaux. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/16</container>
                <unittitle encodinganalog="245$a">FAP 61, 1929: “Wibaux Cloudburst, June 7, 1929;”
                  Wibaux after storm/flood of 1929; damage to Beaver Creek Bridge site; city street
                  with O.M. Helvik Harness and Saddlery and Fisk Tires in foreground. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1929</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Yellowstone County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">10/17</container>
                <unittitle encodinganalog="245$a">FAP 34, 1920: Yellowstone River; pre-, mid- and
                  post-construction of the Huntley Bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/18</container>
                <unittitle encodinganalog="245$a">FAP 34, 1920-1927: Huntley Bridge construction;
                  blasting of old pier; copper dam; abutments; jetties. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">10/19</container>
                <unittitle encodinganalog="245$a">FAP 52, 1920-1921: Improvements to Polytechnic
                  Drive in Billings; before photos; laying and curing concrete ("ponding" method);
                  grading crews; Rocky Mountain College on finished section of "Poly Drive."
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1921</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/1</container>
                <unittitle encodinganalog="245$a">FAP 53-A, 1920-1922: Construction work on road
                  between Billings and Pompey's Pillar; bridge at Five Mile Creek; Pompey's Pillar
                  Bridge Spur; road between Billings and Laurel; bridge at 12 Mile Creek, Custer
                  Coulee. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/2</container>
                <unittitle encodinganalog="245$a">FAP 53-A, 1923: Storm damage to Five Mile Creek
                  bridge near Billings. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1923</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/3</container>
                <unittitle encodinganalog="245$a">FAP 53-A, 1927: Gravel plant near Huntley;
                  construction equipment (Western Motor Grader). </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1927</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/4</container>
                <unittitle encodinganalog="245$a">FAP 53-B, 1920-1922: Flooding near Pompey's
                  Pillar; test trenches dug to alleviate flooding; damage to roadways and buildings
                  (Makler Building); road after improvements. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1920-1922</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/5</container>
                <unittitle encodinganalog="245$a">FAP 53-B, undated: Wood and steel bridge at Fly
                  Creek (1/2 mile west of Pompey's Pillar). </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/6</container>
                <unittitle encodinganalog="245$a">FAP 57, 1923: Paving of Main Street in Laurel;
                  paving crews pouring and tamping concrete; coal-powered construction equipment;
                  finished paved section with east end of Laurel in distance; Home Hotel.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1923</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/7</container>
                <unittitle encodinganalog="245$a">FAP 134-A, B, 1936: Temporary Yellowstone River
                  bridge; Yellowstone River Bridge south of Laurel. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/8</container>
                <unittitle encodinganalog="245$a">FAP 160, undated: Big Horn River, east of Custer
                  on US 10. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/9</container>
                <unittitle encodinganalog="245$a">FAP 228-B, 1934: Oiled road surface between
                  Billings and Laurel. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1934</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle>Unidentified Counties</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">11/10</container>
                <unittitle encodinganalog="245$a">FAP, 77-G2, undated: Unidentified bridge on US 10.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/11</container>
                <unittitle encodinganalog="245$a">FAP 82-A, undated: Russell Scarifier; construction
                  equipment; work crews; Asphalt house, plant, pits; Troy trailers; "pressure
                  distributor for spreading asphaltic oil," with operators. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/12</container>
                <unittitle encodinganalog="245$a">FAP 84-F, I: Asphalt cracks along unidentified
                  road. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/13</container>
                <unittitle encodinganalog="245$a">FAP 161-B, 1924: Road conditions on unidentified
                  road. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1924</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/14</container>
                <unittitle encodinganalog="245$a">FAP 198-A, B, undated: Road construction; bridge
                  construction; construction equipment, materials, and methods on unidentified road.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/15</container>
                <unittitle encodinganalog="245$a">FAP 239F, undated: Test of cotton in road
                  construction; construction equipment; work crews. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/16</container>
                <unittitle encodinganalog="245$a">FAP 241-C2, 1929: Construction of unidentified
                  bridge; construction methods and materials; construction equipment. </unittitle>
              </did>
             </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/17</container>
                <unittitle encodinganalog="245$a">FAP 257-F2, undated: “Old bridge.” </unittitle>
              </did>
             </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/18</container>
                <unittitle encodinganalog="245$a">FAP 281-2, undated: Vigilante Trail bridge.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">11/19</container>
                <unittitle encodinganalog="245$a">FAP 19813, undated: Road construction on
                  unidentified road; construction equipment and methods; work crews. </unittitle>
              </did>
             </c04>
          </c03>
        </c02>
        <c02 level="subseries">
          <did>
            <unittitle encodinganalog="245$a">Sub-series II: Pre-War (Projects Other than
              FAP)</unittitle>
          </did>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Blaine County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">11/20</container>
                <unittitle encodinganalog="245$a">FLP 5a (Federal Lands Project), 1940: White Bear
                  Creek Bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1940</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Broadwater, Flathead, Stillwater Counties
              </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">11/21</container>
                <unittitle encodinganalog="245$a">NRH 77-109 (National Recovery Highway), undated:
                  Missouri River bridge at Townsend; Flathead River at Columbia Falls; Witt Hill
                  Road bridge near Columbus. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Cascade, Silver Bow, Lewis and Clark, and Fallon
                Counties </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">11/22</container>
                <unittitle encodinganalog="245$a">WPGH 50-100 (Works Program, Grade Highway),
                  1935-1936: Great Northern overhead at Gerber; Butte, Anaconda and Pacific
                  underpass at Rocker; Chicago, Milwaukee and St. Paul underpass at Finlen; East
                  Helena overhead; Prickly Pear Creek bridge at East Helena; Baker overpass; Olney
                  underpass. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1935-1936</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Choteau, Flathead, and Missoula Counties
              </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">11/23</container>
                <unittitle encodinganalog="245$a">WPGH 250-375, 1936: Great Northern overhead at
                  Loma; Great Northern underpass at Kalispell; Chicago, Milwaukee, and St. Paul
                  overhead at Racetrack; Soudan; Belton. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Flathead County </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">11/24</container>
                <unittitle encodinganalog="245$a">NRS 257 D2 (National Recovery Secondary), 1935:
                  Stillwater and Flathead River bridges near Kalispell. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1935</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Gallatin County </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">11/25</container>
                <unittitle encodinganalog="245$a">WPGH 0-49, undated: Unidentified bridges; Northern
                  Pacific overhead near Bozeman. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Gallatin and Fergus Counties </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">11/26</container>
                <unittitle encodinganalog="245$a">NRS 302, 342, 1936: Bridge over Cherry Creek;
                  winter road conditions between Brooks and Denton; homes in background.
                  <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
                </unittitle>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Lake County </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/1</container>
                <unittitle encodinganalog="245$a">WPMH 98C (Works Program, Municipal Highway), undated:
                 Bridge over the Whitefish River; homes in background. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Madison, Gallatin, and Big Horn Counties
              </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/2</container>
                <unittitle encodinganalog="245$a">1833 7, 8, 1934: Road materials and methods;
                  Hardin. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1934</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Missoula County </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/3</container>
                <unittitle encodinganalog="245$a">WPMS 374B (Works Program, Municipal Secondary
                  Highway), undated: Crane at work on unidentified railway bridge in Missoula.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Musselshell County </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/4</container>
                <unittitle encodinganalog="245$a">NPS 292 (National Parks System?), undated:
                  construction on Musselshell Road; construction equipment; work crews. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Phillips, Yellowstone, and Big Horn Counties
              </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/5</container>
                <unittitle encodinganalog="245$a">WPGH 100-200, 1936: Northern overhead at Dodson;
                  Chicago, Burlington and Quincy overhead at Toluca; Northern Pacific overhead east
                  of Billings. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Ravalli and Stillwater Counties </unittitle>
            </did>
            <c04 level="file">
              <did>
                <unittitle encodinganalog="245$a">FAS 4, 23 (Federal Aid Secondary Project), undated:
                  Stevensville Bridge, Fishtail Creek; boy fishing off Stevensville Bridge;
                  stock pass; East Rosebud. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Sweetgrass, Wheatland, and Flathead Counties
              </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/7</container>
                <unittitle encodinganalog="245$a">WPGS 283-377 (Works Program, Grade Secondary),
                  1936-1937: Construction of Northern Pacific underpass at Big Timber; Big Timber
                  Creek; Chicago, Milwaukee and St. Paul overhead at Harlowtown; Great Northern
                  overhead at Whitefish. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936-1937</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Teton County </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/8</container>
                <unittitle encodinganalog="245$a">WPS-FAS 341 (Works Program Secondary, Federal Aid
                  Secondary), 1938-1939: Choteau-Dutton Feeder Road; Dutton, with homes and
                  businesses in distance; Greely Elevator Company building; Teton River bridge;
                  Great Northern Railway crossing in Dutton; Milwaukee railroad crossing in Choteau.
                </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1938-1939</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Toole County </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/9</container>
                <unittitle encodinganalog="245$a">FAGM 243 D-1 (Federal Aid Grade Municipal), undated: 
                  Slide area near Shelby; Shelby overhead; Shelby homes and businesses in
                  distance; Shelby laundry. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Treasure County </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/10</container>
                <unittitle encodinganalog="245$a">WPSO 358-367 (Works Program, Secondary Off System
                  Highway), 1936: Flood damage to, and replacement of, unidentified bridge; bridge
                  on E. Feeder Road near Myers. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Valley County </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/11</container>
                <unittitle encodinganalog="245$a">State Aid Project 7, 1919: Road project near Milk
                  River Bridge. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1919</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Yellowstone County </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/12</container>
                <unittitle encodinganalog="245$a">NRH 187-F2, 1935: Yellowstone River Bridge near
                  Billings. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1935</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Yellowstone and Fergus Counties </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/13</container>
                <unittitle encodinganalog="245$a">WPGH 200-250, 1936: Northern Pacific and Great
                  Northern overhead at Mossmain; Chicago, Milwaukee and St. Paul overhead at
                  Lewistown. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Yellowstone and Jefferson Counties </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/14</container>
                <unittitle encodinganalog="245$a">WPH 187B-281A-3 (Works Program, Highway), 1936:
                  Sewer Creek Bridge east of Billings; Chicago, Milwaukee and St. Paul overhead near
                  Vendrome. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Yellowstone, Silver Bow, Valley, Dawson, and
                Missoula Counties </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/15</container>
                <unittitle encodinganalog="245$a">WPGM 134-376, 1936-1937: Laurel bridge; Laurel
                  underpass; Billings Best Flour building; Silver Bow Creek; Montana Street in
                  Butte; Glasgow underpass; Missoula overhead; Great Northern overhead in Helena,
                  Lyndale Avenue; work crews; construction equipment and methods. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936-1937</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Unknown Counties </unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/16</container>
                <unittitle encodinganalog="245$a">FAGH 82, 101 (Federal Aid Grade Highway), undated:
                  Road construction on unidentified roads; work crews; Milk River. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
            <c04 level="file">
              <did>
                <container type="box-folder">12/17</container>
                <unittitle encodinganalog="245$a">NRH 256H, undated: Double culvert,
                  pre-installation, on unidentified road. </unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
        </c02>
        <c02 level="subseries">
          <did>
            <unittitle encodinganalog="245$a">Sub-series III: Post-War</unittitle>
          </did>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Beaverhead County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/18</container>
                <unittitle encodinganalog="245$a">#1203, 1946: Snow removal near Big
                  Hole.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1946</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Cascade County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/19</container>
                <unittitle encodinganalog="245$a">H 22503, 1936 : Railway underpass between Vaughn
                  and Great Falls.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Custer County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/20</container>
                <unittitle encodinganalog="245$a">FI 158 (Federal Aid Project, Interstate), 1954:
                  Finished road project between Miles City and Terry; US Highway 10.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1954</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Fergus County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/21</container>
                <unittitle encodinganalog="245$a">F389 (Federal Aid Project), 1948: Lewistown Bypass
                  Road; Great Northern Railroad Depot.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1948</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Rosebud County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/22</container>
                <unittitle encodinganalog="245$a">F328, undated: Winter road damage on road between
                  Ingomar and Ahles.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Wibaux County</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/23</container>
                <unittitle encodinganalog="245$a">FAP F-2 (11), 1955: Construction between Wibaux
                  and Baker; construction equipment and methods; work crews; St. Phillips
                  turn-off.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1955</unitdate>
              </did>
            </c04>
          </c03>
          <c03 level="subgrp">
            <did>
              <unittitle encodinganalog="245$a">Various and Unknown Counties</unittitle>
            </did>
            <c04 level="file">
              <did>
                <container type="box-folder">12/24</container>
                <unittitle encodinganalog="245$a">H21634 - 25683, M1996-2739, (Urban System), 1936:
                  Historical markers; construction equipment; Helena; Cross Range;
                  Mosby.</unittitle>
                <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
              </did>
            </c04>
          </c03>
        </c02>
      </c01>
      <c01 level="series">
        <did>
          <unittitle encodinganalog="245$a">Series II: Bridges and Bridge Construction</unittitle>
        </did>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Blaine County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">12/25</container>
              <unittitle encodinganalog="245$a">Milk River Bridge west of Chinook. </unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Carter County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">12/26</container>
              <unittitle encodinganalog="245$a">Sykes Bridge, south of Ekalaka.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Cascade County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">12/27</container>
              <unittitle encodinganalog="245$a">Automobile damage done to bridges on Deep Creek
                Road; Sun River Bridge; railroad bridge over Muddy Creek.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1926-1941</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">12/28</container>
              <unittitle encodinganalog="245$a">Construction of First Avenue Bridge in Great Falls;
                Great Falls in distance; work crews; construction methods and materials.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">12/29</container>
              <unittitle encodinganalog="245$a">Construction of the Tenth Street Bridge, Great
                Falls.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1919-1920</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">12/30</container>
              <unittitle encodinganalog="245$a">Construction of the Fifteenth Street Bridge in Great
                Falls.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/1</container>
              <unittitle encodinganalog="245$a">Bridges in Great Falls.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Choteau County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">13/2</container>
              <unittitle encodinganalog="245$a">Missouri River Bridge in Fort Benton; Fort Benton in
                distance.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1925</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Custer County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">13/3</container>
              <unittitle encodinganalog="245$a">Powder River Bridge near Miles City.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Dawson County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">13/4</container>
              <unittitle encodinganalog="245$a">Glendive Creek Bridge site in winter.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1917</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/5</container>
              <unittitle encodinganalog="245$a">Glendive Creek Bridge over Yellowstone
                River.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1923</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/6</container>
              <unittitle encodinganalog="245$a">Glendive Bridge; homes and businesses in background;
                paving work; work crews; construction equipment.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1924</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/7</container>
              <unittitle encodinganalog="245$a">Construction of the Bell Street bridge in Glendive;
                construction equipment; work crews.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1926</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/8</container>
              <unittitle encodinganalog="245$a">Construction on the Bell Street bridge over the
                Yellowstone River at Glendive; work crews; construction equipment; opening
                celebration.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1926</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/9</container>
              <unittitle encodinganalog="245$a">Damage to Spring Creek bridge in
                Glendive.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1918</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/10</container>
              <unittitle encodinganalog="245$a">Construction of Glendive Creek Bridge.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1934</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Deer Lodge County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">13/11</container>
              <unittitle encodinganalog="245$a">Gibson culvert in Anaconda.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Fergus County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">13/12</container>
              <unittitle encodinganalog="245$a">Unidentified bridge with defective
                foundation.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/13</container>
              <unittitle encodinganalog="245$a">Boulevard Bridge over Big Spring Creek in
                Lewistown.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1921</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/14</container>
              <unittitle encodinganalog="245$a">Unidentified bridge between Lewistown and Forest
                Grove.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Flathead County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">13/15</container>
              <unittitle encodinganalog="245$a">Belton Bridge over the middle fork of the Flathead
                River.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/16</container>
              <unittitle encodinganalog="245$a">Condition of bridge over Flathead River near
                Kalispell.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1925</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Gallatin County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">13/17</container>
              <unittitle encodinganalog="245$a">Howe Truss Bridge over the Gallatin River near
                Manhattan.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1923</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/18</container>
              <unittitle encodinganalog="245$a">Repairs to Madison River Bridge near Three
                Forks.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Glacier County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">13/19</container>
              <unittitle encodinganalog="245$a">St. Mary's Lake in Glacier's Park.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/20</container>
              <unittitle encodinganalog="245$a">Bridge over St. Mary's River on USRS dam near
                Babb.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1925</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/21</container>
              <unittitle encodinganalog="245$a">Construction work on the Two Medicine River
                Bridge.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Golden Valley County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">13/22</container>
              <unittitle encodinganalog="245$a">Unidentified bridge near Ryegate.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Hill County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">13/23</container>
              <unittitle encodinganalog="245$a">Pugsley Bridge near Chester; Marias
                River.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">13/24</container>
              <unittitle encodinganalog="245$a">Milk River Bridge at Havre.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1926</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Jefferson County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">14/1</container>
              <unittitle encodinganalog="245$a">Washed out bridge near Whitehall.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1917</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/2</container>
              <unittitle encodinganalog="245$a">Construction of Boulder River Bridge; work crews;
                construction equipment and methods; water tower and other buildings in
                distance.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/3</container>
              <unittitle encodinganalog="245$a">Damage to the Boulder River Bridge; buildings in
                distance.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1917</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/4</container>
              <unittitle encodinganalog="245$a">Montana Central Railroad underpass between Boulder
                and Basin.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/5</container>
              <unittitle encodinganalog="245$a">Bridge over Jefferson River near Three Forks;
                Yellowstone Trail bridge over Jefferson River near Cardwell.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/6</container>
              <unittitle encodinganalog="245$a">Butte-Boulder Road underpass; era automobile;
                children.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Lake County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">14/7</container>
              <unittitle encodinganalog="245$a">Jocko River Bridge.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Lewis and Clark County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">14/8</container>
              <unittitle encodinganalog="245$a">Damage to the Little Prickly Pear Bridge, north of
                Helena.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1927</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/9</container>
              <unittitle encodinganalog="245$a">Missouri River Bridge near Wolf Creek.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1933</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Lincoln County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">14/10</container>
              <unittitle encodinganalog="245$a">Kootenai River Bridge at Troy.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1925</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Mineral County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">14/11</container>
              <unittitle encodinganalog="245$a">Bridge over Clark's Fork at Superior; Superior in
                distance.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/12</container>
              <unittitle encodinganalog="245$a">Superior Bridge; bridge signage visible.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/13</container>
              <unittitle encodinganalog="245$a">Underpass near Quartz Ranger Station in Lolo
                National Forest, 10 miles east of Superior; construction of unidentified bridge,
                likely over Clark Fork.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Missoula County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">14/14</container>
              <unittitle encodinganalog="245$a">Underpass east of Alberton; Orange Street Bridge,
                Missoula; construction equipment and methods; work crews.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/15</container>
              <unittitle encodinganalog="245$a">Orange Street Underpass; Pacific Fruit &amp; Produce
                Company.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Musselshell County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">14/16</container>
              <unittitle encodinganalog="245$a">Delphia and Carpenter Bridges</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Park County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">14/17</container>
              <unittitle encodinganalog="245$a">Site for new bridge at Gardiner; suspension foot
                bridge over Yellowstone River at Second Street; Gardiner homes and businesses in
                distance.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1924</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Phillips County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">14/18</container>
              <unittitle encodinganalog="245$a">Bridge over Big Cottonwood Creek.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1915</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Powder River County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">14/19</container>
              <unittitle encodinganalog="245$a">Damage to the Powder River Bridge at Broadus; Marion
                crane.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Powell County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">14/20</container>
              <unittitle encodinganalog="245$a">Hellgate River Bridge; Garrison in distance;
                Yellowstone Trail.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1926</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/21</container>
              <unittitle encodinganalog="245$a">Hellgate River bridge site at Garrison Cutoff;
                Northern Pacific Railroad bridge over Hellgate River near Garrison.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/22</container>
              <unittitle encodinganalog="245$a">Reinforcement of Little Blackfoot River bridge near
                Avon.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1920</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Prairie County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">14/23</container>
              <unittitle encodinganalog="245$a">Powder River Bridge west of Terry.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/24</container>
              <unittitle encodinganalog="245$a">Construction of Calypso Bridge ? near
                Terry.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/25</container>
              <unittitle encodinganalog="245$a">Flood damage to the Calypso Bridge ? near
                Terry.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">14/26 </container>
              <unittitle encodinganalog="245$a">Yellowstone River Bridge at Fallon.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Ravalli County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">15/1</container>
              <unittitle encodinganalog="245$a">Unidentified roads; homes in distance; unidentified
                bridge, possibly over the Bitterroot; gravel plant; unidentified
                farm/ranch.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/2</container>
              <unittitle encodinganalog="245$a">Silver Bridge over Bitterroot River near
                Hamilton.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/3</container>
              <unittitle encodinganalog="245$a">County bridge over the Bitterroot River at
                Stevensville.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1923-1941</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/4</container>
              <unittitle encodinganalog="245$a">Bridge over East Fork of Bitterroot River at Conner;
                bridge over Bitterroot River at Florence.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1925</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/5</container>
              <unittitle encodinganalog="245$a">Canal near Corvallis.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Roosevelt County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">15/6</container>
              <unittitle encodinganalog="245$a">Missouri River bridge site at Prairie Elk crossing
                near Oswego; taking borings; paddle wheel boat/paddle steamer.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/7</container>
              <unittitle encodinganalog="245$a">Proposed Missouri River Bridge site at mouth of
                Prairie Elk Creek near Oswego.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1928</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/8</container>
              <unittitle encodinganalog="245$a">Poplar River Bridge, Road 77, near
                Poplar.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1939</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Roosevelt and McCone Counties</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">15/9</container>
              <unittitle encodinganalog="245$a">Bridge over Missouri River near Wolf
                Point.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Sanders County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">15/10</container>
              <unittitle encodinganalog="245$a">Clarks Fork Bridge west of Thompson Falls (USFS
                project).</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1929</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/11</container>
              <unittitle encodinganalog="245$a">Bridge near Plains.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/12</container>
              <unittitle encodinganalog="245$a">Thompson Falls High Bridge.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/13</container>
              <unittitle encodinganalog="245$a">Bridge over Lake Creek. </unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Silver Bow County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">15/14</container>
              <unittitle encodinganalog="245$a">Northern Pacific Railroad Bridge over Harrison
                Avenue in Butte; era automobile; road signs.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1929</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Stillwater County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">15/15</container>
              <unittitle encodinganalog="245$a">Bridge near Columbus; Northern Pacific overpass at
                Reed Point.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1943</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/16</container>
              <unittitle encodinganalog="245$a">Bridge over Yellowstone River at Reed
                Point.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Sweetgrass County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">15/17</container>
              <unittitle encodinganalog="245$a">Grey Cliff Bridge over Yellowstone
                River.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Treasure County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">15/18</container>
              <unittitle encodinganalog="245$a">Yellowstone River Bridge at Myers; Big Horn River
                Bridge at Hysham.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Valley County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">15/19</container>
              <unittitle encodinganalog="245$a">Milk River Bridge near Glasgow; Beaver Creek Bridge
                near Beaverton.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1915-1916</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Yellowstone County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">15/20</container>
              <unittitle encodinganalog="245$a">Failure of East Bridge at Billings; pile trestle
                replacement of collapsed span.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1922-1923</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/21</container>
              <unittitle encodinganalog="245$a">Site for Sphinx Bridge; construction of Pompey's
                Pillar Bridge.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/22</container>
              <unittitle encodinganalog="245$a">Bridge over Northern Pacific Railway, US Highway 10
                at Pompey's Pillar.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1939</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Unknown Counties</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">15/23</container>
              <unittitle encodinganalog="245$a">Unidentified railway over- and underpasses; Chicago,
                Milwaukee and St. Paul Railroad slab unit.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/24</container>
              <unittitle encodinganalog="245$a">1 of 2: Bridges; bridge construction; construction
                equipment.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">15/25</container>
              <unittitle encodinganalog="245$a">2 of 2: Bridges; bridge construction; construction
                equipment.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/1</container>
              <unittitle encodinganalog="245$a">"6 2", Railway overhead.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/2</container>
              <unittitle encodinganalog="245$a">Construction work on unidentified
                bridges.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/3</container>
              <unittitle encodinganalog="245$a">"Bridge taken out by snow slide;" unidentified
                river.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1933</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/4</container>
              <unittitle encodinganalog="245$a">Flood damage; automobile accident on bridge;
                avalanche ? near bridge. </unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/5</container>
              <unittitle encodinganalog="245$a">Construction of overhead, bridge; construction
                methods and equipment; work crews; homes in background; horse-drawn graders; gravel
                plant; culverts.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
      </c01>
      <c01 level="series">
        <did>
          <unittitle encodinganalog="245$a">Series III: Miscellany</unittitle>
        </did>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Beaverhead County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">16/6</container>
              <unittitle encodinganalog="245$a">Winter road conditions between Dillon and Twin
                Bridges; Beaverhead Rock.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/7</container>
              <unittitle encodinganalog="245$a">Snow removal Near Gibbons Pass.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1946</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/8</container>
              <unittitle encodinganalog="245$a">Snow removal between Monida and Lima.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1952</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Blaine County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">16/9</container>
              <unittitle encodinganalog="245$a">Railroad crossing in Harlem; "Grand" in
                distance.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/10</container>
              <unittitle encodinganalog="245$a">"Gravel pit Chinook Harlem”.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Broadwater County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">16/11</container>
              <unittitle encodinganalog="245$a">"Placer mining, Confederate Gulch at Diamond, June
                1, 1920."</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1920</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Cascade County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">16/12</container>
              <unittitle encodinganalog="245$a">Castner Street in Belt, Montana.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/13</container>
              <unittitle encodinganalog="245$a">Construction methods; "Use of 'I's' in
                Abutments.”</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/14</container>
              <unittitle encodinganalog="245$a">Flooding damage near Belt and Monarch.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1953</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/15</container>
              <unittitle encodinganalog="245$a"> “Sno Go” snow plow; snow removal; Great Falls; snow
                plow operators; opening Belt to Monarch Road F.W.D. truck and rotary plow
                747-C.R.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated, 1928</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Dawson County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">16/16</container>
              <unittitle encodinganalog="245$a">Ice flow near Glendive.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/17</container>
              <unittitle encodinganalog="245$a">"Pederson curve 16 miles west of
                Glendive."</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Dawson, Glacier, Mineral, Sheridan, Silver Bow
              Counties</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">16/18 </container>
              <unittitle encodinganalog="245$a">Road maintenance and snow removal near Butte,
                Glendive, Saltese, Wolf Creek, Gibbons Pass, Lookout Pass, Browning, and on US 2, MT
                13, MT 5, and MT 16.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1943-1944</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Fallon, Fergus, Wheatland, Carter Counties</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">16/19 </container>
              <unittitle encodinganalog="245$a">Winter road conditions in/near Baker, Ekalaka,
                Brooks, Beaver Creek, Cottonwood Creek Road, Lewistown, and Buffalo.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1949</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Fergus</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">16/20</container>
              <unittitle encodinganalog="245$a">Cat Creek Oil; Little Box Elder Pumping
                Plant.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Fergus and Petroleum Counties</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">16/21</container>
              <unittitle encodinganalog="245$a">Winter road conditions and snow removal in/near
                Lookout Pass, Winnett, Roy, and Lewistown.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1955</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Flathead County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">16/22</container>
              <unittitle encodinganalog="245$a">Winch and work crew on Swan River; homes in
                distance.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1952</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Flathead, Gallatin, Madison, Sanders
              Counties</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">16/23 </container>
              <unittitle encodinganalog="245$a">"District One snow pictures." Road conditions and
                snow removal in/near Elk Park Flats, West Yellowstone, Harrison, Ennis, Manhattan,
                Norris, and Essex.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1949</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Gallatin County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">16/24</container>
              <unittitle encodinganalog="245$a">Bozeman to Gallatin Way; Pioneer Trail Bridge;
                Castle Rock; Bridger Canyon; Three Bears Inn; Karst Cold Springs Camp; Gallatin
                Canyon; Gallatin River; Black Butte; Moose Creek.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/25</container>
              <unittitle encodinganalog="245$a">Marion brand coal-powered shovel, "Model 28"; work
                crews.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/26</container>
              <unittitle encodinganalog="245$a">Yellowstone Trail near Logan; Story Rock
                Quarry.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/27</container>
              <unittitle encodinganalog="245$a">Bozeman Hill; construction equipment and methods;
                steam shovel.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/28</container>
              <unittitle encodinganalog="245$a">Gravel crushing operations near Rainbow
                Ranch.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1946</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">16/29</container>
              <unittitle encodinganalog="245$a">Three Forks; Madison River flooding.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1949</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Granite County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/1</container>
              <unittitle encodinganalog="245$a">Flint Creek hill slide.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1950</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Hill, Glacier and Gallatin Counties</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/2</container>
              <unittitle encodinganalog="245$a">Snow and slide removal in/near Havre, Browning,
                Valley Creek, Valley Creek Bridge; Harlem Agency Bridge; West Yellowstone; homes in
                distance.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1937-1939</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Jefferson and Silver Bow Counties</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/3</container>
              <unittitle encodinganalog="245$a">Great Northern Railway crossing at Elk Park between
                Butte and Boulder; homes in distance.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Lake County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/4</container>
              <unittitle encodinganalog="245$a">Northern Pacific crossing between Ravalli and Arlee;
                Bison Range near Ravalli; "Polson dam site" Kerr Dam.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/5</container>
              <unittitle encodinganalog="245$a">Ravalli Hill project.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1956</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Lewis and Clark County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/6</container>
              <unittitle encodinganalog="245$a">Unidentified road through the Helena Valley; homes
                and businesses in background; surveyor in street.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/7</container>
              <unittitle encodinganalog="245$a">Scenic views of Lewis and Clark Pass; Rogers Pass;
                Sheep Mountain; Augusta Stearns Road; Big Blackfoot Valley between Lincoln and
                Helmville; Wolf Creek; Cadott Pass; Dearborn River; Alice Creek; Green
                Creek.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/8</container>
              <unittitle encodinganalog="245$a">Road maintenance;"Oil distributor in operation,"
                Helena to East Helena; snow removal at Sieben Flats</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1930, 1936, 1943</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Lewis and Clark and Powell Counties</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/9</container>
              <unittitle encodinganalog="245$a">Scenic views on road between Helena and Deer
                Lodge.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Lincoln County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/10</container>
              <unittitle encodinganalog="245$a">Kootenai River Project; road conditions between
                Simms and Carlson.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1924-1925</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/11</container>
              <unittitle encodinganalog="245$a">Midas Gold Mining and Milling Co.; Rex flour; Yale
                Oil; buildings in distance.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Madison County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/12</container>
              <unittitle encodinganalog="245$a">Vigilante Trail; Hebgen Dam; Hebgen Dam reservoir;
                Madison National Forest.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/13</container>
              <unittitle encodinganalog="245$a">Snow removal near Virginia City.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1948</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Madison and Gallatin Counties</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/14</container>
              <unittitle encodinganalog="245$a">“Quake Lake;” Slide damage and flooding as a result
                of 1959 earthquake.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1916</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">McCone County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/15</container>
              <unittitle encodinganalog="245$a">Culvert on Highway 55.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Meagher County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/16</container>
              <unittitle encodinganalog="245$a">"Smith River Dam - 1936 As seen from Mont. 6
                Highway."</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1936</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Mineral County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/17</container>
              <unittitle encodinganalog="245$a">Winter road conditions and sanding operations at
                Lookout Pass.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1945</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/18</container>
              <unittitle encodinganalog="245$a">Lookout Pass snow removal.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1957</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Musselshell County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/19</container>
              <unittitle encodinganalog="245$a">Three men measuring "pavement drop-off" north of
                Roundup.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1954</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Park County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/20</container>
              <unittitle encodinganalog="245$a">Road conditions between Chico and Carbella; Daily
                Lake.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/21</container>
              <unittitle encodinganalog="245$a">Winter conditions in Yankee Jim Canyon.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/22</container>
              <unittitle encodinganalog="245$a">Livingston material stockpile; loading gravel onto
                trucks.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Powder River County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/23</container>
              <unittitle encodinganalog="245$a">"M.T. Ranch ? Ranch 13.3 miles north of
                Broadus."</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Powell County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/24</container>
              <unittitle encodinganalog="245$a">Scenics of McDonald Pass, Priest Pass; Porcupine
                Creek; men in hiking gear; snow conditions on McDonald Pass; snow removal on Mullan
                Pass; washout near Avon.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1920-1939</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Ravalli County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/25</container>
              <unittitle encodinganalog="245$a">Bitter Root Oil well near Corvallis; Missoula
                River.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/26</container>
              <unittitle encodinganalog="245$a">Rock slide at Skallaho Pass.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1924</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Richland County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/27</container>
              <unittitle encodinganalog="245$a">Winter conditions on Main Street in Sidney; homes
                and businesses in background; winter road conditions between Sidney and
                Fairview.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1943</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Rosebud County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/28</container>
              <unittitle encodinganalog="245$a">"Protection work. Dyke at Forsyth in Yellowstone
                River."</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/29</container>
              <unittitle encodinganalog="245$a">"Road side fountain, Forsyth, 1937."</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1937</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Toole County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/30</container>
              <unittitle encodinganalog="245$a">Condition of roadside fencing between Sunburst and
                Shelby.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Yellowstone County</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/31</container>
              <unittitle encodinganalog="245$a">Man crouching near roadway to show road conditions
                between Billings and Fairgrounds; Midway Livery sign in distance.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/32</container>
              <unittitle encodinganalog="245$a">Road conditions between Billings and
                Laurel.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/33</container>
              <unittitle encodinganalog="245$a">"Billings-Roundup Road - 'Unimproved' typical county
                road."</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1922</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/34</container>
              <unittitle encodinganalog="245$a">Winter road conditions and snow removal near
                Laurel.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1955</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Miscellany, by Route</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">17/35 </container>
              <unittitle encodinganalog="245$a">Bonner Highway 20: Location of fatal auto accident
                east of Bonner.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/36 </container>
              <unittitle encodinganalog="245$a"> MT 1: Snow plow work near Hebgen Dam.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1937</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/37 </container>
              <unittitle encodinganalog="245$a">MT 3/200: Snow plow work near Noxon.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1938</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/38</container>
              <unittitle encodinganalog="245$a">MT 33: Winter conditions; District 2.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1946-1947</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/39 </container>
              <unittitle encodinganalog="245$a">MT 287: Sink hole or slide between Virginia City and
                Alder.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1945</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">17/40 </container>
              <unittitle encodinganalog="245$a">Route 7: Winter conditions between Baker and
                Ekalaka; Norris Hill; Harrison; Livingston; Manhattan; snow plows; Ridge; Bottles
                Ranch at Pumpkin Creek; Cash Creek; Coyote Creek; Sonnette; Hammond; Box Elder
                Creek.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1949</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/1 </container>
              <unittitle encodinganalog="245$a">US 2: Brockton; Bainville; Culbertson; Havre; Wolf
                Point; Nashua.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/2</container>
              <unittitle encodinganalog="245$a">US 2: Winter conditions; snow removal.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1943</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/3 </container>
              <unittitle encodinganalog="245$a">US 10: Winter conditions; flooding over roadway;
                signage.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1930-1943</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/4</container>
              <unittitle encodinganalog="245$a">US 10: Winter slide and snow removal.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1947-1948</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/5 </container>
              <unittitle encodinganalog="245$a">US 12: Winter road conditions between Plevna and
                Baker; and Deep Creek Pass.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1936, 1938</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/6 </container>
              <unittitle encodinganalog="245$a">US 20: Targhee Pass; snow removal.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1943</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/7 </container>
              <unittitle encodinganalog="245$a">US 89: Kings Hill; snow removal.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1932-1939</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/8 </container>
              <unittitle encodinganalog="245$a">US 91: Hardy-Craig Highway; Port of Entry at Monida;
                Butte historical marker; snow removal.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1943</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/9 </container>
              <unittitle encodinganalog="245$a">US 93: Winter road conditions; snow
                removal.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1943</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/10 </container>
              <unittitle encodinganalog="245$a">US 191: Winter road conditions; snow
                removal.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1937-1943</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/11 </container>
              <unittitle encodinganalog="245$a">US 191: Section house at Gallatin Gateway; road
                work.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1948</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/12 </container>
              <unittitle encodinganalog="245$a">US 287: Section house at Duck Creek; winter
                transportation in West Yellowstone.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1943-1949</unitdate>
            </did>
          </c03>
        </c02>
        <c02 level="subgrp">
          <did>
            <unittitle encodinganalog="245$a">Unknown Counties, Routes, Projects</unittitle>
          </did>
          <c03 level="file">
            <did>
              <container type="box-folder">18/13</container>
              <unittitle encodinganalog="245$a">Accidents (construction vehicles).</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/14</container>
              <unittitle encodinganalog="245$a">Construction sites; construction equipment and
                methods.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/15</container>
              <unittitle encodinganalog="245$a">Vigilante effigy ? "Cattle thief, 2500- reward, No
                Kort -777-."</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/16</container>
              <unittitle encodinganalog="245$a">Ferries; sailboat; unidentified dock;
                spectators.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/17</container>
              <unittitle encodinganalog="245$a">Flooding over roadway near "North Fork;"
                construction site and equipment; automobile accident.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1939</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/18</container>
              <unittitle encodinganalog="245$a">Flooding in Augusta, Great Falls, Cascade, Sun
                River; Stickney Creek; Teton River; Shields River; Superior.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1948</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/19</container>
              <unittitle encodinganalog="245$a">Gravestone, “J. Wellis, A. Hanson, J.E.
                Hook.”</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/20</container>
              <unittitle encodinganalog="245$a">Highway construction and maintenance equipment and
                methods; horse-drawn grader.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/21</container>
              <unittitle encodinganalog="245$a">Highway Department buildings; Butte shop;
                Helena.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1942</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/22</container>
              <unittitle encodinganalog="245$a">Indian pictographs.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/23</container>
              <unittitle encodinganalog="245$a">Scenic with ranch and mountains in distance; rock
                formation.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/24</container>
              <unittitle encodinganalog="245$a">"Danger Road Repairs Ahead:" Detour sign near Badger
                Creek; “Welcome to Montana signs.”</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1941</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/25</container>
              <unittitle encodinganalog="245$a">Road maintenance equipment and methods.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/26</container>
              <unittitle encodinganalog="245$a">Road maintenance; maintenance equipment; gravel
                plant.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">1939-1940, 1944</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/27</container>
              <unittitle encodinganalog="245$a">Unidentified town and scenery in Eastern
                Montana.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/28</container>
              <unittitle encodinganalog="245$a">Unidentified road/bridge site.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
          <c03 level="file">
            <did>
              <container type="box-folder">18/29</container>
              <unittitle encodinganalog="245$a">Highway signs.</unittitle>
              <unitdate encodinganalog="245$f" type="inclusive">undated</unitdate>
            </did>
          </c03>
        </c02>
      </c01>
    </dsc>
  </archdesc>
</ead>

