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Displaying results 93501 - 93510 of 866613

Photograph of construction, Hoover Dam, August 29, 1933

Date

1933-08-29

Description

Black and white image of Hoover Dam construction. A cat-walk is visible, spanning the canyon over the upstream cofferdam. The span is approximately between triangulation points C-7 and C-8. Elevation at the middle of the span is approximately 1,005 feet. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Photograph of power plant, Hoover Dam, April 12, 1938

Date

1938-04-12

Description

Black and white image of the downstream face of Hoover Dam and its power plant at night, as seen from the lower portal road at the dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Photograph of Memorial Day, Hoover Dam, May 30, 1937

Date

1937-05-30

Description

Black and white image of crowds waiting to visit the Hoover Dam power plant on Memorial Day in 1937. Many people are holding tickets ready for the guide to collect. The roof of the cashier's booth is visible beyond the awning. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Photograph of generators, Hoover Dam, June 24, 1937

Date

1937-06-24

Description

Black and white image of the Arizona-side generator room at Hoover Dam, as seen from the balcony at elevation 705. The 40,000 kilowatt ampere generator installed in unit 48 is visible in the background. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Photograph of the beach, Lake Mead, June 29, 1937

Date

1937-06-29

Description

Black and white image of Lake Mead, including boat docks and a bathing beach developed by the National Park Service for recreational use, such as swimming and picnicking.

Image

Photograph of motor transport, Boulder City, Nevada, April 12, 1934

Date

1934-04-12

Description

Black and white image of "Big Bertha," the Six Companies, Inc. motor transport used to haul workmen between Boulder City and Hoover Dam. This double-decker truck could haul 154 men. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Photograph of construction, Hoover Dam, August 22, 1934

Date

1934-08-22

Description

Black and white image of Hoover Dam construction. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Photograph of construction, Hoover Dam, November 18, 1932

Date

1932-11-18

Description

Black and white image of Hoover Dam under construction. This view is looking down into the upper cofferdam area from the rim of the Arizona side of Black Canyon. Also visible are a temporary earth diversion dam and steel sheet piling extending out from the Nevada abutment and marking the upstream toe of the cofferdam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Photograph of Six Companies office building, Boulder City, Nevada, June 1, 1931

Date

1931-06-01

Description

Black and white image of the Six Companies, Inc. office building on the left and a dormitory on the right.

Image

Photograph of power plant, Hoover Dam, March 21, 1984

Date

1984-03-21

Description

Black and white image of Hoover Dam and its power plant.

Image