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Dates
Fish ladder over power dam at Willamina, Oregon, on Willamina Creek which is a tributary of the South Yamhill River 1940-09-29
2020-10-28
2003-01-01
Chinook in tail-race at the River Mill Power Plant on the Clackamas River; 1938-06
2020-10-28
2003-01-01
A pumped storage system consists of an upper reservoir and lower reservoir separated by an elevation difference. During low demand energy periods such as nights and weekends water is pumped from the lower to the upper reservoir using available...
1988-06-01
Project files and technical reports of Consulting Coastal Engineer Omar J. Lillevang.

Statement of Antone Gonzales before the Senate Committe on on Appropriations for the Department of the Interior and related Agencies. Mr. Gonzales is specifically asking for money for irrigation and power projects.
1974-04-08
2005-02-04
List of areas of feasability for hydro-electric sites including cost, location, and land damage.
Summarizes a 13-month-long study of water and hydropower resource development in the Clear Creek Basin, making a preliminary evaluation of developing additional water supplies in the Clear Creek Basin.
1987-11-01
2007-01-02
2007-01-02
Final report, including executive summary, of a study of projects based on two concepts advanced to resolve the problems associated with increasing water demands in the Denver metropolitan area and the concern over water supplies on the western...
1987-04-01
2007-01-02
2007-01-02
261 p. The purpose of the Columbia River and Tributaries Study is to provide an up-to-date (1974) review of the main Columbia River system development. This study inventories and examines problems and areas of concern known to public and...
1974-10-28
Mountain States Power Company fish ladder;1940-08-09
2020-10-28
2003-01-01
This brochure is published as a guide for potential developers of small scale hydropower in Idaho and for agency personnel and consulting firms called on to advise people interested in developing small hydroelectric plants under recent regulations...
1982-12-01
Correspondence, reports, documents, data, and photographs, relating to dams, hydroelectric power installations, irrigation works, and municipal water supply systems, principally in California, but including other western states and the...

Report of a study on the feasibility of retrofitting a small hydroelectric power unit in the existing outlet works of lemon Dam and to investigate the repairs required on the outlet gates.
1985-12-01
2007-01-02
2007-01-02
Report of a comprehensive basin-wide study to identify the needs of the St. Vrain Basin for future water resources development and to identify and evaluate, at a reconnaisance level of detail, the means available to meet those needs through the...
1986-02-01
2007-01-02
2007-01-02
KP-2333-R2 - Klamath Project--LINK RIVER. Above Link River Bridge at Klamath Falls, release of 5,200 cfs through Link River Dam. Looking upstream toward Link River Power Plant on west side; April 5, 1956; Photo by K. J. Greene
1956-04-05
2007-12-05
2006-03-14
This is a photograph of a blueprint which shows the general layout of Hoover Dam. The photo includes a sectional elevation on center line of the river. Blueprint shows the dam, power plant, upper and lower cofferdam, intake towers, outlet works,...

Executive summary of a study to refine the environmental, engineering, and economic analyses prepared during a basin-wide water resources investigation completed by the Colorado Water Resources and Power Development Authority and the Northern...
1990-12-01
2007-01-02
2007-01-02
Images of water infrastructure, including the Casper Canal, Powder River, Glendo Dam, a proposed damsite west of Casper, Fremont Canyon and Fremont Canyon Power Plant, and 5-Mile Creek

1973-10-28
2016-01-25
2016-01-25
Report of a study on the feasibility of retrofitting a small hydroelectric power unit in the existing outlet works of lemon Dam and to investigate the repairs required on the outlet gates.
1985-12-01
2007-01-02
2007-01-02
Volume 2 of a two volume final report on the Cache la Poudre Basin Study. Volume 2 contains the findings from the Phase 2 portion of the study, addressing plan formulation, evaluation, and selection.
1987-12-01
2007-01-02
2007-01-02
Dry fish ladder at Mountain States Power Plant at Stayton, Oregon (Chinooks fighting tailrace);1940-08-11
2020-10-28
2003-01-01
Three Lynx Power Plant, Oregon;1950-06-04
2020-10-28
2003-01-01
Logan Canyon, Utah. Installing turbine at City Hydro Plant, Second Dam, 1923-24. Original held by Logan City Engineer. One black and white photograph (3.25 x 5.5 inches) mounted on board. (Negative Available).

Correspondence, reports, photographs, and miscellaneous material, relating to various bridges, dams, water supply systems, and hydroelectric power installations in California, including the Hetch Hetchy Project, the Los Angeles Aqueduct, the...


Collection of miscellaneous materials pertaining to the history and development of the Kings River, California, and the construction of the Kings River Project. Includes typescripts, printed pamphlets, maps, diagrams, and news clippings. Documents...

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