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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.
Image
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.
Image
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.
Image
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 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.
Image
Photograph of a penstock pipe in Hoover Dam, 1930s
Date
1930 to 1939
Description
Photograph of Hoover Powerplant with a section of penstock pipe during the construction of Hoover Dam, 1930s.
Image
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.
Image
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 Frank T. Crowe, 1930s
Date
Unknown year in the decade of the 1930s
Description
Photograph of Frank T. Crowe, the Construction Superintendent for Six Companies on the Hoover Dam, 1930s.
Image
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
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