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Displaying results 1351 - 1360 of 174401

Photograph of construction on Hoover Dam diversion tunnel, January 30, 1932

Date

1932-01-30

Archival Collection

Description

An image showing the beginning wood base for the cylinder (tunnel surface) of the Hoover (Boulder) Dam diversion tunnel.

Image

Photograph of construction on Hoover Dam diversion tunnel, May 10, 1933

Date

1933-05-10

Archival Collection

Description

An image of the rock opening and penstocks for Hoover (Boulder) Dam diversion tunnel construction.

Image

Photograph of construction on Hoover Dam diversion tunnel, circa 1932-1933

Date

1932 to 1933

Archival Collection

Description

An image of construction on the upper portals Hoover (Boulder) Dam diversion tunnel #1.

Image

Photograph of construction on Hoover Dam diversion tunnels, circa 1930-1935

Date

1930 to 1935

Archival Collection

Description

An image of workers placing dynamite for water diversion during construction of the Hoover (Boulder) Dam diversion tunnel.

Image

Photograph of construction on Hoover Dam diversion tunnels, circa 1930-1935

Date

1930 to 1935

Archival Collection

Description

An image of workers placing dynamite for water diversion during construction of the Hoover (Boulder) Dam diversion tunnel.

Image

Photograph of downstream face of Hoover Dam, circa 1935

Date

1935

Archival Collection

Description

An image of the diversion tunnels in use on the newly completed Hoover (Boulder) Dam.

Image

Photograph of construction of rock and gravel plant, Hoover Dam, circa 1930-1935

Date

1930 to 1935

Archival Collection

Description

An image of construction on the rock and gravel plant at the Hoover (Boulder) Dam construction site. Noted on the photo: "Taken by FAB."

Image

Photograph of rock and gravel plant, Hoover Dam, circa 1930-1935

Date

1930 to 1935

Archival Collection

Description

An image of the completed rock and gravel plant at the Hoover (Boulder) Dam construction site. Noted on the photo: "Taken by FAB."

Image

Photograph of rock and gravel plant, Hoover Dam, circa 1930-1935

Date

1930 to 1935

Archival Collection

Description

An image of the completed rock and gravel plant at the Hoover (Boulder) Dam construction site. Noted on the photo: "Taken by FAB."

Image

Photograph of rock and gravel plant, Hoover Dam, circa 1930-1935

Date

1930 to 1935

Archival Collection

Description

An image of the completed rock and gravel plant at the Hoover (Boulder) Dam construction site. Noted on the photo: "Taken by FAB."

Image