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Displaying results 810051 - 810060 of 844540

Boat landing at railroad tunnel Number 1 and the catwalk to the Arizona side of Black Canyon: photographic print, 1931 August 09

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Duplicate of photographic prints: photographic negatives, approximately 1932 to 1934

Level of Description

File

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Hoover Dam: photographic print, 1933 June 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Cut-off trench at upstream side of Hoover Dam: photographic print, 1933 June 23

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Hoover Dam: photographic print, 1933 June 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Nevada spillway, looking upstream: photographic print, 1933 June 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Lower portals of diversion tunnels discharging 73,000 cubic feet per second flow into Colorado River: photographic print, 1935 June 16

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Arizona spillway, looking upstream: photographic print, 1933 June 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Hoist house and Nevada anchorage, government cableway: photographic print, 1933 August 09

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Trains on railroad bench hauling concrete to Hoover Dam: photographic print, 1933 August 12

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component