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Photograph of Six Companies' scrip, Hoover Dam, 1930s

Date

1930 to 1939

Description

Six Companies' scrip retrieved from a metal box which had been dumped into the Colorado River after the use of the scrip was discontinued.

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Photograph of construction workers, Hoover Dam, 1930s

Date

1930 to 1939

Description

Truck-mounted giant drilling rig used to cut the diversion tunnels in Black Canyon during construction of Hoover Dam in 1930s.

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Photograph of dam workers scaling wall of Black Canyon, Hoover Dam,1933

Date

1933-04

Description

High scalers drilling on the Nevada wall of Black Canyon, April 1933.

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Photograph of a penstock pipe in an adit, Hoover Dam, 1930s

Date

1930 to 1939

Description

A section of a penstock pipe arrives at the mouth of an adit leading to the interior of one of the diversion tunnels during the construction of Hoover Dam.

Image

Photograph of construction equipment releasing concrete, Hoover Dam, 1930s.

Date

1930 to 1939

Description

A group of puddlers pack concrete during the Hoover Dam construction as an eight cubic yard bucket expels 16 tons of concrete, 1930s.

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Photograph of a penstock being transported, Hoover Powerplant, 1930s.

Date

1930 to 1939

Description

Transporting 30 ft. diameter section of penstock during the construction of the Hoover Powerplant, 1930s.

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Photograph of turbine generator unit, Hoover Dam, 1936

Date

1936

Description

Photograph of Hoover Power Plant's turbine generator unit during the construction of Hoover Dam, 1936. A General Electric sign can be seen in the photo.

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Photograph of unidentified man injured at Hoover Dam construction site, 1932

Date

1932

Description

Photograph of unidentified man injured on the Hoover Dam construction project and being carried into a vehicle, 1932.

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Photograph of Wilbur A. Dexheimer at Hoover Dam, 1964

Date

1964-11-16

Description

Photograph of Wilbur A. Dexheimer, U.S. Bureau of Reclamation Commissioner, taken on November 16, 1964, on the Hoover Dam.

Image

Photograph of Wilbur A. Dexheimer in the Nevada Powerhouse at Hoover Dam, 1950s

Date

1950 to 1959

Description

Photograph of Wilbur A. Dexheimer, Commissioner of Bureau of Reclamation, shown in the Nevada Powerhouse at Hoover Dam.

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