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Diversions and reconsignments - general, 1908-1918

Level of Description

File

Archival Collection

Union Pacific Railroad Collection
To request this item in person:
Collection Number: MS-00397
Collection Name: Union Pacific Railroad Collection
Box/Folder: Box 58 (Restrictions apply)

Archival Component

Photograph of diversion tunnel at Hoover Dam, circa early 1930s

Date

1929 to 1935

Description

A diversion tunnel at Hoover Dam during construction.

Image

Photograph of Hoover Dam diversion tunnel, 1935-1940

Date

1935 to 1940

Description

Men stand inside a diversion tunnel at the Hoover Dam. The Hoover Dam was called the Boulder Dam until 1947. "BDRA. NEV. 4.36 341" is written at the top of the photo. Site Name: Hoover Dam (dam)

Image

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

Date

1931 to 1933

Description

Another view of diversion tunnel after flooding.

Image

Photograph of diversion tunnel construction, Hoover Dam, circa 1932

Date

1931 to 1933

Description

Diversion tunnels still under construction, but in use.

Image

Photograph of diversion tunnel construction, Hoover Dam, circa 1932

Date

1931 to 1933

Description

Diversion tunnels still under construction, but in use.

Image

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

Date

1931 to 1933

Description

Upstream end of diversion tunnel after spring flood.

Image

Photograph of diversion tunnel, Hoover Dam, September 1, 1932

Date

1932-09-01

Description

Diversion Tunnel No. 3 nearly completed. Sept. 1, 1932. "Asphalt visible on ceiling. Fill on Floor & rails have to be removed prior to use for water diversion. Tunnel is completed except for fill removal." W.A. Davis, 1992

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