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Displaying results 808571 - 808580 of 844658

Looking upstream along Nevada approach to Boulder Dam. Note rubble wall being built and excavation for tower footings: photographic print, 1935 November 26

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking upstream in lower Number 2 plug, showing pipe in place: photographic print, 1935 November 25

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking upstream in Arizona valve house. Note three gates and needle valves have been installed: photographic print, 1935 October 29

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

View from top of Boulder Dam, looking toward power house, valve houses, and lower portals of diversion tunnels: photographic print, 1935 October 28

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Boulder Dam and powerhouse, looking upstream from lower cofferdam: photographic print, 1935 October 28

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Boulder Dam switchyard, showing excavation and construction. Note Boulder Dam highway in background: photographic print, 1935 October 28

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking upstream in Number 2 downstream plug, showing water conduit being placed: photographic print, 1935 October 28

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking upstream toward Number 3 downstream plug. Note clean-up operations, getting ready for carpenters: photographic print, 1935 October 28

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

View of warehouse and machine shop area. Boulder City in background: photographic print, 1932 February 15

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component