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Displaying results 803051 - 803060 of 864400

Looking downstream into the Arizona powerhouse, showing location of the turbine rooms, from room galleries, and penstocks: photographic print, 1934 October 30

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking upstream into the pipe gallery in the Nevada powerhouse, showing beams and concrete: photographic print, 1934 October 30

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Upper portal trash rack for diversion tunnel Number 1, on the Nevada side: photographic print, 1934 October 30

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking downstream into Number 4 raise, showing close-up of portal forms: photographic print, 1934 October 25

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking upstream in Number 2 diversion tunnel, showing the concrete pipe line from the pumpcrete gun to the upstream plug: photographic print, 1934 October 31

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking downstream into the Nevada spillway: photographic print, 1934 October 25

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Boulder Dam, looking upstream from Lookout Point: photographic print, 1934 December 03

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Third millionth cubic yard of concrete being lowered to Boulder Dam: photographic print, 1934 December 05

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking upstream in Number 1 plug, showing the united portions of the arch and raise into the Nevada spillway: photographic print, 1934 November 17

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component