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Displaying results 843441 - 843450 of 866630

Placing concrete lining in Arizona upper penstock tunnel: photographic print, 1934 January 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Placing concrete lining in Arizona upper penstock tunnel: photographic print, 1934 January 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Two-hundred ton two-way trailer, for transporting sections of 30-foot penstock pipe: photographic print, 1933 December 15

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Number 3 derrick in service at Boulder Dam: photographic print, 1934 January 24

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Boulder Dam, looking upstream: photographic print, 1934 January 31

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

General view of Nevada intake towers from Arizona side, showing Lomix trestle below: photographic print, 1934 February 20

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

General view of Nevada intake towers and spillway from Nevada Himix Trestle: photographic print, 1934 February 20

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component