Skip to main content

Search the Special Collections and Archives Portal

Search Results

Display    Results Per Page
Displaying results 61 - 70 of 42356

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 diversion tunnel, Hoover Dam, circa 1932

Date

1931 to 1933

Description

View looking out of diversion tunnel, diameter 56' or more, inside finish 50'. Note on back: "Tunel is on Nevada side. Tunnels had compressed air lines and electricity installed Marion electric steam shovel. - W. A. Davis, 1992."

Image

Photograph of diversion tunnel, Hoover Dam, December 25, 1932

Date

1932-12-25

Description

Looking into diversion tunnel. (Rig. Inside) Note on back: "Inside diversion tunnel, looking down 30 ft. tunnel to the power house. Tunnel lined with steel. Air hammer scars on the perimeter. Arizona side. - W. A. Davis, 1992."

Image

Lower portals of diversion tunnels Number 3 and 4, after diversion of Colorado river was completed: photographic print, 1932 November 14

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection
To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Oversized Box 03

Archival Component

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 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 diversion tunnel, Hoover Dam, circa 1932

Date

1931 to 1933

Description

Placing concrete liner in diversion tunnel, 3 feet thick. Note on back of image: "Photo taken at night. Pour lower invert first, then side walls, then ceiling. Covered walls with asphalt to prevent rapid drying of concrete. Jumbo probably sparying asphalt in this photo. Rails visible that jumbo rode on. - W. A. Davis, 1992."

Image

Photograph of flood at diversion tunnel, Hoover Dam, circa 1932

Date

1931 to 1933

Description

View of area where water broke through small cofferdam by diversion tunnel after flood.

Image

Photograph of workers at diversion tunnel, Hoover Dam, circa 1932

Date

1931 to 1933

Description

At downstream end of diversion tunnel after spring flood. Employees are working diligently to pump out the water.

Image