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Displaying results 141971 - 141980 of 829168

Photograph of equipment being cabled to canyon floor, Hoover Dam construction site, April 2, 1933

Date

1933-04-02

Archival Collection

Description

An image of equipment being transported to the floor of Black Canyon for Hoover (Boulder) Dam construction.

Image

Postcard showing bucket used for concrete pouring, Hoover Dam, circa 1930-1935

Date

1930 to 1935

Archival Collection

Description

The caption on postcard reads: "Detail of 8 cu. yd. capacity bucket used in placing concrete in dam forms."

Image

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

Date

1932 to 1933

Archival Collection

Description

An image of workers and equipment inside the Hoover (Boulder) Dam diversion tunnel.

Image

Photograph of construction on Hoover Dam diversion tunnel, February 5, 1932

Date

1932-02-05

Archival Collection

Description

An image showing the beginning of construction on the frame for the Hoover (Boulder) Dam diversion tunnel.

Image

Photograph of construction on Hoover Dam diversion tunnel, circa 1932

Date

1932

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, 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