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Looking upstream in lower Number 3 plug. Note one of pipe sections in place: photographic print, 1935 November 25
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
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
Steel suspension truck bridge immediately below lower portals of diversion tunnels. Lower portals of diversion tunnels Number 3 and 4 in background: photographic print, 1932 February 03
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
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