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Nevada powerhouse, showing the reinforcing and walls around the penstock openings. Pumpcrete machine is in the butterfly valve gallery between the rock abutment and the turbine room: 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
Looking upstream into Number 3 plug and raise, showing plug concrete in place, cooling headers above and rail extension for moving steel pipe: photographic print, 1934 November 17
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
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