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Displaying results 376661 - 376670 of 844579

Photograph of motor lorry at Hoover Dam, 1930s.

Date

1930 to 1939

Description

A motor lorry belonging to construction companies that built Hoover Dam carries workers to the dam site.

Image

Photograph of workmen in an overhead structure, Hoover Dam, 1930s

Date

1930 to 1939

Description

Overhead road transports dam workmen at the change of shift at Hoover Dam, 1930s.

Image

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 Hoover Dam, 1960s

Date

1960 to 1969

Description

Aerial view of the Hoover Dam in 1960s.

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 an unidentified construction worker, Hoover Dam, 1930s

Date

1930 to 1939

Description

An unidentified dam worker drilling during the construction of Hoover Dam, 1930s.

Image

Photograph of dam workers and trucks, Hoover Dam, 1930s

Date

1930 to 1939

Description

Dam workers and trucks during the construction of Hoover Dam, 1930s.

Image