Hydroelectric power plants

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Hydroelectric power plants

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Hydroelectric power plants

  • UF Water-power electric plants

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Hydroelectric power plants

75 Collections results for Hydroelectric power plants

75 results directly related Exclude narrower terms

Station M at River Mill Dam

Photograph showing the exterior of the River Mill Dam powerhouse, likely shortly after construction. Loose hillsides can be seen to the left and right of the building, with transmission lines throughout (image note: corner of glass negative is broken and missing).

River Mill Dam, tail race

Photograph taken from a side angle of the River Mill Dam and powerhouse, showing exterior of building and view of dam structure. Water from the Clackamas River can be seen moving over the dam, and trees and transmission lines are visible in the distance.

Dedication of Bonneville Dam. [Transcript]

Transcript. Transcript includes the entire speech by President Franklin D. Roosevelt about urban development and growth, hydro-electricity, the Bonneville Dam, Columbia River development, regional planning and the Army Corps of Engineers.

Roosevelt, Franklin D. (Franklin Delano), 1882-1945

Dedication of Bonneville Dam (Radio Cut) [Sound Recording 1]

Tape 1, Side 1. Recorded on September 29th 1937 at the opening of the Bonneville Dam and edited for the radio, the tape includes a message from Oregon Secretary of State Earl Snell about traffic safety and excerpts from a speech by President Franklin D. Roosevelt about urban development and growth, hydro-electricity, the Bonneville Dam, Columbia River development, regional planning and the Army Corps of Engineers.

Roosevelt, Franklin D. (Franklin Delano), 1882-1945

Dedication of Bonneville Dam (Radio cut)

  • SR 23
  • Collection
  • 1937-09-29

Recorded on September 29th 1937 at the opening of the Bonneville Dam and edited for the radio, the tape includes a speech by Oregon Secretary of State Earl Snell about traffic safety and a speech by President Franklin D. Roosevelt about urban development and growth, hydro-electricity, the Bonneville Dam, Columbia River development, regional planning and the Army Corps of Engineers.

Transcript includes the entire original speech by President Roosevelt.

Snell, Earl, 1895-1947

Bull Run, Little Sandy Dam, power plant exterior

Photograph showing the exterior to power plant buildings at the Little Sandy Dam, seen in a wooded setting. Two large buildings can be seen on a hillside, each with large windows. The building near the left side of the frame also includes transformer infrastructure on its roof. Written on the negative is “0356.”

Bull Run, Big Sandy dam construction

Photograph showing construction at the Big Sandy Dam (likely the Marmot Dam). In the foreground, two men stand on top of the wooden spillway structure, while other works can be seen in the background towards the hillside. Gravel and more wood can be seen towards the top of the hill. Written on the image is B.S-37.”

Bull Run, Little Sandy Dam, powerhouse

Photograph showing the incomplete interior of the powerhouse building at the Little Sandy Dam. Near the center of the frame, a man stands with folded arms looking towards the camera. Wooden scaffolding is visible throughout the image. In the background, a hillside of dirt and debris can be seen outside the building. Written on the negative is “E301-0-3405.” (Image note: discoloration visible at the right side of the frame).

Bull Run, Little Sandy Dam, powerhouse interior

Photograph taken from a high angle looking downward at the interior of the powerhouse at the Little Sandy Dam. Several generator units are visible, as well as a platform accessible via ladders. Several large windows can be seen on the far walls. On the side of the generator units is “Westinghouse.” Written on the negative is “0351.”

Bull Run, Big Sandy dam construction

Photograph showing construction at the Big Sandy Dam (likely the Marmot Dam). Several men can be seen standing on the wooden structure at the center of the frame. In the background, a wooden bridge crosses the river, surrounded by trees. Written on the image is B.S-19.”

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