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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 findaidstatus="approved" langencoding="iso639-2b" audience="internal" repositoryencoding="iso15511" countryencoding="iso3166-1" scriptencoding="iso15924" dateencoding="iso8601" relatedencoding="dc">

		<eadid countrycode="us" mainagencycode="wyuah" identifier="80444/xv286455" url="http://archiveswest.orbiscascade.org/ark:/80444/xv286455" encodinganalog="identifier">AHJ_ah08243</eadid>

		<filedesc>
			<titlestmt>
				<titleproper encodinganalog="title">Inventory of the Louis E. Rydell papers<date era="ce" calendar="gregorian">1914-1981</date></titleproper>
				<titleproper type="filing" altrender="nodisplay">Rydell (Louis E.) papers</titleproper> 
				<author encodinganalog="creator">Processed by Emily Christopherson in December
					2011</author>
				<sponsor>The creation of the EAD-version of this finding aid has been made possible
					through a grant from the National Historic Publications and Records
					Commission.</sponsor>
			</titlestmt>
			<publicationstmt>
				<publisher encodinganalog="publisher">University of Wyoming. American Heritage
					Center.</publisher>
				<address> 
		  <addressline>American Heritage Center</addressline> 
		  <addressline>Dept. 3924, 1000 E. University Avenue</addressline> 
		  <addressline>University of Wyoming</addressline> 
		  <addressline>Laramie, WY 82071</addressline> 
		  <addressline>Phone: 307.766.2574</addressline> 
		  <addressline>Fax:307.766.5511 </addressline> 
		  <addressline>Email:ahcref@uwyo.edu</addressline> 
		  <addressline>URL:http://ahc.uwyo.edu/</addressline> 
		</address>
				<date era="ce" calendar="gregorian" encodinganalog="date">2011</date>
				<p>University of Wyoming</p>
			</publicationstmt>
		</filedesc>
		<profiledesc>
			<creation>Finding aid encoded by Emily Christopherson <date era="ce" calendar="gregorian">December 2011</date></creation>
			<langusage>Finding aid is in <language encodinganalog="language" langcode="eng">English</language>
			</langusage>
		</profiledesc>
	</eadheader>

	<archdesc level="collection" relatedencoding="marc21">
		<did>
			<head>Collection Summary</head>

			<origination label="Creator" encodinganalog="100">
				<persname>Rydell, Louis E.</persname>
			</origination>

			<unittitle encodinganalog="245" label="Title"> Louis E. Rydell papers </unittitle>
			<unitdate type="inclusive" era="ce" calendar="gregorian" normal="Date of Collection">
				1914-1981</unitdate>
			<unitid countrycode="us" repositorycode="WyU-AH" label="Collection Number">08243</unitid>

			<physdesc encodinganalog="300" label="Size">
				<extent>13.83 cubic ft. (15 boxes)</extent>
			</physdesc>
			<repository encodinganalog="852" label="Repository">
				<corpname>University of Wyoming. American Heritage Center.</corpname>
			</repository>
			<langmaterial encodinganalog="546" label="Language(s)"><language langcode="eng">English</language></langmaterial>
			<abstract label="Abstract"> Papers of Louis E. Rydell, a civil engineer who worked in many parts of the world, and who was in charge of planning for the Willamette
				Basin Project in Oregon.</abstract>
		</did>

		<bioghist encodinganalog="545">
			<head>Biography of Louis E. Rydell</head>
			<p>Louis Ernest Rydell (b. 1899) was a civil engineer whose work included the planning
				of river basins for development of hydro-electric power, flood control, navigation,
				and irrigation, both in government work and with private firms. Much of his work has
				been the planning of large dams, including site selection, investigation,
				preliminary design, cost, and economic feasibility studies and reports. Rydell
				worked for the U.S. Army Corps of Engineers from 1934-1959. From 1935-1948 he
				directed the project planning phase for the Willamette Basin Project in Oregon. From
				1948-1959 he was Chief of Planning and Reports in the Walla Walla, Washington
				district, during which he worked on plans and studies for the Columbia and Snake
				River basins. From 1955-1959 he was assigned by the U.S. State Department as a flood
				control advisor to Ireland on the Shannon River. From 1959-1965 he was a consultant
				with Harza Engineering Company and supervised planning studies on the Indus River
				Basin in Pakistan. From 1966 until his death, he worked as a private consultant for
				the U.S. Army Corps of Engineers (Ohio River Basin), TAMS (Brazil), and Montreal
				Engineering Company (Iran and Guyana).</p>
		</bioghist>

		<scopecontent encodinganalog="520">
			<head>Scope and Content</head>
			<p>Collection contains files related to various projects on which Rydell worked,
				including projects in Brazil, Guyana, Iran, and Pakistan. Also present are U.S. Army
				Corps of Engineers reports on water resource development projects in the United
				States West, particularly in the Willamette and Columbia River basins. Collection
				also contains a large number of subject files relating to dams, hydraulics, and
				flood control. Also present are articles written by Rydell, and photographs of
				Rydell in activities related to his professional career. </p>
		</scopecontent>

		<accessrestrict encodinganalog="506">
			<head>Access Restrictions</head>
			<p>There are no access restrictions on the materials for research purposes, and the
				collection is open to the public.</p>
		</accessrestrict>
		<userestrict>
			<head>Copyright Information</head>
			<p>The researcher assumes full responsibility for observing all copyright, property, and
				libel laws as they apply.</p>
		</userestrict>
		<relatedmaterial encodinganalog="544 1">
			<head> Related Materials</head>
			<p>There are no known other archival collections created by Louis E. Rydell at the date
				of processing.</p>
		</relatedmaterial>
		<acqinfo encodinganalog="541">
			<head>Acquisition Information</head>
			<p>This material was received from Mildred L. Rydell (wife) from 1983-1987.</p>
		</acqinfo>
		<processinfo>
			<head>Processing Information</head>
			<p>The collection was processed by Emily Christopherson in December 2011</p>
		</processinfo>
		<prefercite encodinganalog="524">
			<head>Preferred Citation</head>
			<p>Item Description, Box Number, Folder Number, Collection Name, Collection Number,
				American Heritage Center, University of Wyoming.</p>
		</prefercite>
		<controlaccess>
			<head>Access Terms</head>

			<corpname source="lcnaf" encodinganalog="610"> United States. Army. Corps of
				Engineers.</corpname>

			<corpname source="lcnaf" encodinganalog="610"> Harza Engineering Company.</corpname>

			<corpname source="lcnaf" encodinganalog="610"> Montreal Engineering Company.</corpname>

			<subject source="lcsh" encodinganalog="650"> Willamette River Watershed (Or.).</subject>

			<subject source="lcsh" encodinganalog="650"> Columbia River Watershed.</subject>

			<subject source="lcsh" encodinganalog="650"> Dams.</subject>

			<subject source="lcsh" encodinganalog="650"> Water resources development -- West
				(U.S.).</subject>

			<subject source="lcsh" encodinganalog="650"> Water resources development --
				Brazil.</subject>

			<subject source="lcsh" encodinganalog="650"> Water resources development --
				Guyana.</subject>

			<subject source="lcsh" encodinganalog="650"> Water resources development --
				Iran.</subject>

			<subject source="lcsh" encodinganalog="650"> Water resources development --
				Pakistan.</subject>
			<subject source="archiveswest" altrender="nodisplay" encodinganalog="690">Water and Water Rights.</subject> 
			<occupation source="lcsh" encodinganalog="656"/>

		</controlaccess>

		<dsc type="combined">
			<head>Container List</head>

			<c01 level="series">
				<did>
					<unittitle>Series I. Work projects and reports</unittitle>
					<unitdate>1932-1981</unitdate>
				</did>
				<scopecontent>
					<p>Series contains three sub-series: Work projects, U.S. Army Corps of Engineers
						reports, and Articles written by Rydell.</p>
				</scopecontent>
				<c02 level="subseries">
					<did>
						<unittitle>Sub-series 1. Work projects</unittitle>
						<unitdate>1950-1981</unitdate>
					</did>
					<scopecontent>
						<p>Arranged alphabetically. Contains notes, data, drawings, maps, and
							reports relating to Rydell’s consulting work in Brazil, Guyana, Iran,
							and Pakistan, as well as his work with the Northern Tier Pipeline
							Company. Also contains certificates Rydell received acknowledging his
							professional career, and biographical files detailing his life’s
							work.</p>
					</scopecontent>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Biographical files</unittitle><unitdate/></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">5</container><unittitle>Brazil - Emborcacao Dam and power plans</unittitle><unitdate>1976</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">5</container><unittitle>Brazil - Sao Simao project</unittitle><unitdate>1969-1970</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">15</container><unittitle>Certificates</unittitle><unitdate>1933-1981</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">6</container><unittitle>Guyana - power plans</unittitle><unitdate>1975</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">3</container><unittitle>Iran - power plan (as a consultant for Montreal Engineering Company)</unittitle><unitdate>1974-1975</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">4</container><unittitle>Northern Tier Pipeline Company - Board of Directors</unittitle><unitdate>1976</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">4</container><unittitle>Northern Tier Pipeline Company - correspondence</unittitle><unitdate>1976</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">4</container><unittitle>Northern Tier Pipeline Company - engineering</unittitle><unitdate>1978</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">4</container><unittitle>Northern Tier Pipeline Company - Executive Committee</unittitle><unitdate>1978-1979</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">4</container><unittitle>Northern Tier Pipeline Company - Finance Committee</unittitle><unitdate>undated</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">4</container><unittitle>Northern Tier Pipeline Company - financials</unittitle><unitdate>1976-1978</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">4-5</container><unittitle>Northern Tier Pipeline Company - public relations</unittitle><unitdate>1976-1979</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">5</container><unittitle>Northern Tier Pipeline Company - report - "Crude Oil Supply/Demand Outlook for the Northern Tier and Midwest States,"</unittitle><unitdate>1978</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">5</container><unittitle>Northern Tier Pipeline Company - status reports</unittitle><unitdate>1976</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">3</container><unittitle>Pakistan - power plans and dams (as a consultant for Montreal Engineering Company)</unittitle><unitdate>1950-1967</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Tacoma (Washington) Municipal Electric Power System - "Cushman Tunnel No. 2,"</unittitle><unitdate>1929</unitdate></did></c03>
				</c02>

				<c02 level="subseries">
					<did>
						<unittitle>Sub-series 2. U.S. Army Corps of Engineers reports</unittitle>
						<unitdate>1937-1969</unitdate>
					</did>
					<scopecontent>
						<p>Arranged alphabetically by region. Contains reports and studies conducted
							by the U.S. Army Corps of Engineers on projects of which Rydell was a
							part. Many are annotated by Rydell.</p>
					</scopecontent>
					<c03 level="file"><did><container type="Box" label="Box">9</container><unittitle>Boise River, Idaho survey report - With a View to Control of Floods</unittitle><unitdate>1944</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">7</container><unittitle>Columbia Basin review report</unittitle><unitdate>1943</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">8</container><unittitle>Columbia River and Tributaries - Power Report</unittitle><unitdate>1943</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">8</container><unittitle>Columbia River and Tributaries - Proposed Power Projects - Maine Columbia, Snake, and Willamette Rivers</unittitle><unitdate>1942</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">7</container><unittitle>Columbia River and Tributaries Review Report - Central Snake River Basin</unittitle><unitdate>1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">7</container><unittitle>Columbia River and Tributaries Review Report - Clark Fork-Pend Oreille River Basin</unittitle><unitdate>1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">8</container><unittitle>Columbia River and Tributaries Review Report - Dalles Dam</unittitle><unitdate>1946</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">9</container><unittitle>Columbia River and Tributaries Review Report - Hells Canyon Dam, Snake River</unittitle><unitdate>1947</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">7</container><unittitle>Columbia River and Tributaries Review Report - Middle and Lower Snake River Basin</unittitle><unitdate>1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">9</container><unittitle>Columbia River and Tributaries Review Report - Middle Snake River Basin</unittitle><unitdate>1953</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">9</container><unittitle>Columbia River and Tributaries Review Report - Mountain Sheep Dam, Snake River</unittitle><unitdate>1947</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">8</container><unittitle>Columbia River and Tributaries Review Report - Power Markets and Developments in the Pacific Northwest</unittitle><unitdate>1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">9</container><unittitle>Columbia River and Tributaries Review Report - Snake River</unittitle><unitdate>1952</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">7</container><unittitle>Columbia River and Tributaries Review Report - Upper Snake River Basin</unittitle><unitdate>1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">9</container><unittitle>Columbia River and Tributaries Review Report - Upper Snake River Basin</unittitle><unitdate>1955</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">8</container><unittitle>Columbia River and Tributaries Review Report - Willamette River Basin</unittitle><unitdate>1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">7</container><unittitle>Columbia River and Tributaries Review Report</unittitle><unitdate>1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">12</container><unittitle>Hansen Dam (Tujunga, Washington)</unittitle><unitdate>1937-1939</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">8</container><unittitle>"Ice, in connection with the ultimate plan of development in the Columbia River" report</unittitle><unitdate>1947</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">9</container><unittitle>John Day Lock and Dam - Columbia River (Oregon and Washington) - Design Memorandum - Hydrology</unittitle><unitdate>1956</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">9</container><unittitle>John Day Lock and Dam - Columbia River (Oregon and Washington) - General Design Memorandum</unittitle><unitdate>1958</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Los Angeles County Drainage Area, California - Analysis of Design Crest Gates for Sepulveda Dam</unittitle><unitdate>1939</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">12</container><unittitle>Los Angeles County Flood Control District - Flood of March 2, 1938</unittitle><unitdate>1938</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">9</container><unittitle>Lower Monumental Lock and Dam - Snake River (Oregon, Washington, and Idaho) - General Design Memorandum</unittitle><unitdate>1959</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">10</container><unittitle>Lower Snake River (Oregon, Washington, and Idaho) - Special Report on Selection of Sites</unittitle><unitdate>1945</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">10</container><unittitle>Lower Snake River Project letter report</unittitle><unitdate>1949</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">10</container><unittitle>Lucky Peak Dam project report - Boise River, Idaho</unittitle><unitdate>1949</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">10</container><unittitle>McNary Dam project report - Columbia River (Oregon and Washington)</unittitle><unitdate>1946</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">10</container><unittitle>McNary Dam project report - Columbia River (Oregon) and Levees (Pasco, Washington)</unittitle><unitdate>1950</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">10</container><unittitle>McNary Lock and Dam - Columbia River (Oregon and Washington) - Preliminary Cost Allocation Studies</unittitle><unitdate>1955</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">10</container><unittitle>McNary Lock and Dam report - Closure of the Second-Step Cofferdam - Columbia River (Oregon and Washington)</unittitle><unitdate>1951</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">10</container><unittitle>McNary Reservoir - Master Plan for Development and Management</unittitle><unitdate>1952</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">12</container><unittitle>Ohio River Basin Comprehensive Survey</unittitle><unitdate>1968-1969</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">9</container><unittitle>Pen Basin, Warren Basin, and Bear Valley - upstream storage and power projects</unittitle><unitdate>1943</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">12</container><unittitle>Portland District - Postflood Report</unittitle><unitdate>1966</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Power Survey for War Production - Pacific Northwest Region</unittitle><unitdate>1942</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">11</container><unittitle>Report on Operation of Main Control Plan for Flood Control - 1949 Flood</unittitle><unitdate>1949</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">12</container><unittitle>River Shannon Flood Problem Report (Ireland)</unittitle><unitdate>1955-1956</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">10</container><unittitle>Salmon River, Idaho reconnaissance trip report - "Flight of the Salmon Fly" (with photographs)</unittitle><unitdate>1944</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">10</container><unittitle>Snake River reconnaissance report - Middle Snake, Salmon, and Clearwater rivers</unittitle><unitdate>1942</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">12</container><unittitle>Umatilla Power-Navigation Project - Columbia River (Oregon, Washington)</unittitle><unitdate>1944-1945</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">12</container><unittitle>Umatilla Project, Detroit Dam, Dorena Dam project data</unittitle><unitdate>1943</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">11</container><unittitle>Willamette Basin Project, Oregon - Detroit Dam and Reservoir project report</unittitle><unitdate>1941-1942</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">11</container><unittitle>Willamette Basin Project, Oregon - Lookout Point Dam (Meridian Site) and Middle Fork Willamette River project report</unittitle><unitdate>1945-1946</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">11</container><unittitle>Willamette River and Tributaries, Oregon - survey report</unittitle><unitdate>1947</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">11</container><unittitle>Willamette River Flood - Flood Damage and Analysis</unittitle><unitdate>1943</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">11</container><unittitle>Willamette Valley Project, Oregon</unittitle><unitdate>1940</unitdate></did></c03>
				</c02>

				<c02 level="subseries">
					<did>
						<unittitle>Sub-series 3. Articles written by Rydell</unittitle>
						<unitdate>1932-1958</unitdate>
					</did>
					<scopecontent>
						<p>Arranged alphabetically by title. Contains articles and papers written by
							Rydell on topics relating to dams and flood control.</p>
					</scopecontent>
					<c03 level="file"><did><container type="Box" label="Box">6</container><unittitle>"Coexistence of Fish and Dams" in Journal of the Power Division</unittitle><unitdate>1957</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">6</container><unittitle>"Determination of Outlet Control Requirements for Dams,"</unittitle><unitdate>1951</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">6</container><unittitle>"Engineering Advances at McNary Project,"</unittitle><unitdate>1957</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">6</container><unittitle>"Navigation and Flood Control" in "Water - Proceedings of a Regional Water Resources Conference at the State College of Washington,"</unittitle><unitdate>1958</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">6</container><unittitle>"New Concepts in Development of Hydraulic Energy on Navigable Waterways - Columbia and Snake Rivers - Pacific Northwest, United States" for the 14th International Navigation Congress</unittitle><unitdate>1957</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">6</container><unittitle>"Planning, Selection, and Design of Dams" course (Rydell as instructor)</unittitle><unitdate>1946</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">6</container><unittitle>"Willamette,"</unittitle><unitdate>1932</unitdate></did></c03>
			</c02>
			</c01>


			<c01 level="series">
				<did>
					<unittitle>Series II. Resource files</unittitle>
					<unitdate>1914-1976</unitdate>
				</did>
				<scopecontent>
					<p>Contains two sub-series: Subject files and Publications and reports.</p>
				</scopecontent>
				<c02 level="subseries">
					<did>
						<unittitle>Sub-series 1. Subject files</unittitle>
						<unitdate>1914-1976</unitdate>
					</did>
					<scopecontent>
						<p>Arranged alphabetically. Contains subject files relating to dams,
							hydraulics, and flood control. Files primarily consist of reports,
							memoranda, data, and notes.</p>
					</scopecontent>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>American Water Resources Association (AWRA)</unittitle><unitdate>1970-1971</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Basin planning</unittitle><unitdate>1953-1966</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Basin plans</unittitle><unitdate>1955-1959</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Bonneville Power Administration</unittitle><unitdate>1958-1962</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Columbia Basin Inter-Agency Committee</unittitle><unitdate>1947</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Columbia Basin</unittitle><unitdate>1914-1959</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Columbia River Power</unittitle><unitdate>1938</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Columbia River</unittitle><unitdate>1931-1950</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Concrete</unittitle><unitdate>circa 1952</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Cooling design contraction joints</unittitle><unitdate>1930-1944</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - arch</unittitle><unitdate>1926-1968</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - barrages on earth,</unittitle><unitdate>1934-1961</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - buttress</unittitle><unitdate>1936-1967</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - Columbia River</unittitle><unitdate>1931-1958</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - concrete</unittitle><unitdate>1928, 1940-1969</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - cut-off and grouting</unittitle><unitdate>1952-1961</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - Dalles</unittitle><unitdate>1914-1954</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - Dvorshak Dam (Bruces Eddy)</unittitle><unitdate>1959</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - earth fill</unittitle><unitdate>1934-1952</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - failure and repairs</unittitle><unitdate>1963-1967</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - foundations</unittitle><unitdate>circa 1925-1937</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - general</unittitle><unitdate>1942-1953</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - gravity</unittitle><unitdate>circa 1945-1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - hydraulic fill</unittitle><unitdate>undated</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - McNary Dam</unittitle><unitdate>1945</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - Prado Dam</unittitle><unitdate>1938</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - rock fill</unittitle><unitdate>1939-1958</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - small</unittitle><unitdate>1953-1968</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - Tennessee Valley Authority</unittitle><unitdate>1935-1968</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - timber fill</unittitle><unitdate>1938-1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - uplift</unittitle><unitdate>undated</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - wide valley</unittitle><unitdate>1952-1967</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Dam types - Willamette</unittitle><unitdate>1948-1961</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Desalting seawater</unittitle><unitdate>1964-1967</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Design details</unittitle><unitdate>1937-1938</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Design manual</unittitle><unitdate>1944</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Economics</unittitle><unitdate>1943-1944</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Fish and fishways</unittitle><unitdate>1946-1955</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Flood control</unittitle><unitdate>1949-1961</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Fort Peck Dam</unittitle><unitdate>1943</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Grand Coulee Dam power</unittitle><unitdate>1954-1969</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Ground water</unittitle><unitdate>1942-1947</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Hell's Canyon Middle Snake River</unittitle><unitdate>1940-1947</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Hell's Canyon studies</unittitle><unitdate>1946-1955</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Hydraulic flow</unittitle><unitdate>1930-1946</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Hydraulic jump and stilling pools</unittitle><unitdate>1939-1956</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Hydraulic models</unittitle><unitdate>1945-1947</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Hydraulics</unittitle><unitdate>1938-1952</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Hydrology</unittitle><unitdate>1939-1969</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Hydro-power</unittitle><unitdate>1933-1944</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Idaho projects</unittitle><unitdate>circa 1944</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>International</unittitle><unitdate>1963-1969</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Navigation</unittitle><unitdate>1936-1970</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Ohio Basin report</unittitle><unitdate>1968-1969</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Outlet control</unittitle><unitdate>1946-1950</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Planning manual</unittitle><unitdate>1962</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Power - general</unittitle><unitdate>1930-1945</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Power - geothermal</unittitle><unitdate>1973</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Power - nuclear</unittitle><unitdate>1959</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Power - thermal</unittitle><unitdate>1968</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Pumped storage</unittitle><unitdate>1976</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Power - northwest</unittitle><unitdate>1966</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Reservoir planning</unittitle><unitdate>1952, 1976</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Revetments - retaining walls</unittitle><unitdate>1951-1959</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Skagit River</unittitle><unitdate>1942-1943</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Snake River - lower</unittitle><unitdate>1946</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">1</container><unittitle>Snake River - Oregon and Idaho</unittitle><unitdate>1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Spillway design</unittitle><unitdate>1958</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Spillway requirement</unittitle><unitdate>1970</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Spillways</unittitle><unitdate>circa 1943-1945</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Stilling basins</unittitle><unitdate>1945-1946</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Surge tanks</unittitle><unitdate>1943-1976</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Triangle Lake</unittitle><unitdate>1937</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Turbines</unittitle><unitdate>1955-1956</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Washington projects</unittitle><unitdate>1946</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Water resources</unittitle><unitdate>1937-1954</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Willamette Dams Foundation</unittitle><unitdate>1936-1939</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Willamette project</unittitle><unitdate>1939-1957</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Willamette studies</unittitle><unitdate>1934-1938</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">2</container><unittitle>Willamette</unittitle><unitdate>1972</unitdate></did></c03>
				</c02>

				<c02 level="subseries">
					<did>
						<unittitle>Sub-series 2. Publications and reports</unittitle>
						<unitdate>1929-1969</unitdate>
					</did>
					<scopecontent>
						<p>Arranged alphabetically. Contains publications and reports written by
							various agencies and individuals on topics relating to dams, hydraulics,
							and flood control.</p>
					</scopecontent>
					<c03 level="file"><did><container type="Box" label="Box">5</container><unittitle>American Society of Civil Engineers - "Report of Committee on Cost Allocation for Multiple Purpose Water Projects,"</unittitle><unitdate>1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">5</container><unittitle>American Society of civil Engineers - "Stability of Straight Concrete Gravity Dams,"</unittitle><unitdate>1934</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Army Corps of Engineers - "Archeological Investigations of Two Sites in the McNary Reservoir, Washington,"</unittitle><unitdate>1949</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Army Corps of Engineers - "Columbia Basin Inter-Agency Committee and The Pacific Northwest,"</unittitle><unitdate>undated</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Army Corps of Engineers - "History of the Columbia Basin Inter-Agency Committee,"</unittitle><unitdate>undated</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Army Corps of Engineers - "Laboratory Study of the Meandering of Alluvial Rivers,"</unittitle><unitdate>1945</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Army Corps of Engineers - "Long Tom River, Fern Ridge Reservoir - Proposed Channel Improvement,"</unittitle><unitdate>1943</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Army Corps of Engineers - "Plans for Conservation and Development of the Water Resources of the United States,"</unittitle><unitdate>1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Army Corps of Engineers - "Proceedings of the Engineering Conference - South Pacific Division and North Pacific Division,"</unittitle><unitdate>1940</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Army Corps of Engineers - "Water Resource Development: Columbia River Basin,"</unittitle><unitdate>1958</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Book - "Rock Tunnel Methods,"</unittitle><unitdate>1931</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">5</container><unittitle>Bureau of Reclamation - "Method of 'Prestressed Ties' for the Stabilization of Dam Structures,"</unittitle><unitdate>1948</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Bureau of Reclamation - "On Computation of Earth Pressure Against Walls with Earth Having Cohesion,"</unittitle><unitdate>1937</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">5</container><unittitle>Bureau of Reclamation - "Research Study on Stilling Basins, Energy Dissipaters, and Associated Appurtenances,"</unittitle><unitdate>1955</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">5</container><unittitle>Bureau of Reclamation - "Stresses in Arch Dams,"</unittitle><unitdate>1935</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Department of State - "Feasibility Studies, Economic and Technical Soundness Analysis, Capital Projects,"</unittitle><unitdate>1964</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Federal Power Commission - "Hydroelectric Power Resources of the United States,"</unittitle><unitdate>1957</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">5</container><unittitle>Federal Power commission - "Report on Estimated Cost of Power Transmitted from the Snake River to Vicinity of Antioch, California,"</unittitle><unitdate>1946</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Miscellaneous articles relating to dams and hydrology</unittitle><unitdate>1929-1965</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Pacific Northwest Power Company - "Power Production Data of Alternative Plans for Middle Snake River Development,"</unittitle><unitdate>1969</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Pacific Power and Light Company - "International Commission on Large Dams Post-Convention Tour of Swift Hydroelectric Project,"</unittitle><unitdate>1958</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">3</container><unittitle>Professional Qualifications for Engineering Services - Water Resource Projects (Tippetts-Abbett-McCarthy-Stratton)</unittitle><unitdate>1959</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>"Portland General Electric Company, North Fork Hydro-Electric Development and Faraday Addition,"</unittitle><unitdate>1956-1958</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Report - "Hydro-Electric Power Commission of the Province of Ontario,"</unittitle><unitdate>1933</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Report - "Swift Hydroelectric Development: Economic and Engineering Feasibility,"</unittitle><unitdate>1957</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>Report of the President's Water Resources Policy commission - "Ten Rivers in America's Future: No. 1. The Columbia,"</unittitle><unitdate>1950</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>State of California Department of Water Resources - "California Water Plan,"</unittitle><unitdate>1957</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>United Nations - "Integrated River Basin Development,"</unittitle><unitdate>1958</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>"Water Power Equipment,"</unittitle><unitdate>undated</unitdate></did></c03>
					<c03 level="file"><did><container type="Box" label="Box">13</container><unittitle>World Meteorological Organization - "Design of Hydrological Networks" and "Techniques for Surveying Surface-Water Resources,"</unittitle><unitdate>1958</unitdate></did></c03>
				</c02>
			</c01>


			<c01 level="series">
				<did>
					<unittitle>Series III. Photographs</unittitle>
					<unitdate>1921-1973</unitdate>
				</did>
				<scopecontent>
					<p>Arranged alphabetically. Contains photographs of Rydell, depicting him
						participating in professional duties.</p>
				</scopecontent>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>11th Congress on Large Dams - Madrid, Spain</unittitle>
						<unitdate>1973</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>5th International Congress on Irrigation and Drainage - Tokyo,
							Japan</unittitle>
						<unitdate>1963</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>American Society of Civil Engineers - Hydraulic Division
							Conference - Madison, Wisconsin</unittitle>
						<unitdate>1956</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>American Society of Civil Engineers</unittitle>
						<unitdate>undated</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>American Society of Engineers - Pacific Northwest
							Conference</unittitle>
						<unitdate>1952</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>Army Corps of Engineers - Portland, Oregon</unittitle>
						<unitdate>early 1940s,</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>At Cushman Dam, #2 - Tacoma, Washington</unittitle>
						<unitdate>1929</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>Congress on Large Dams - New Delhi, India</unittitle>
						<unitdate>1951</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">15</container>
						<unittitle>Harza Engineering Company, International (Rydell is Resident
							Manager)</unittitle>
						<unitdate>1960</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>In Pakistan</unittitle>
						<unitdate>1960-1965</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>International irrigation study in Japan</unittitle>
						<unitdate>1963</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>Louis E. Rydell</unittitle>
						<unitdate>undated</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>Oregon Agriculture College with President Harding</unittitle>
						<unitdate>1921</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>Retiring from the Army Corps of Engineers</unittitle>
						<unitdate>1959</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>ROTC Officers - Oregon State College</unittitle>
						<unitdate>1925</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>Survey party for state of Oregon</unittitle>
						<unitdate>circa 1932</unitdate>
					</did>
				</c02>
				<c02 level="file">
					<did>
						<container type="Box" label="Box">14</container>
						<unittitle>Working at the harbor in Longview, Washington</unittitle>
						<unitdate>1923</unitdate>
					</did>
				</c02>
			</c01>

		</dsc>
	</archdesc>
</ead>

