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A flashlight photograph of the interior of one of the diversion tunnels. The drilling jumbo is working at the tunnel face: photographic print, 1932 January 28
Archival Collection
To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Archival Component
One of the drilling jumbos ready for action on the upper portal of Diversion Tunnel Number 1: photographic print, 1932 January 28
Archival Collection
To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Archival Component
A telephoto view of the muck disposal area on the Arizona side, below the lower portals of Diversion Tunnels Number 3 and Number 4: photographic print, 1932 January 19
Archival Collection
To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Archival Component
Drilling jumbos mounted on the back of a truck for lower portal Number 4. This first wood-frame jumbo was experimental, later they were steel pipe: photographic print, 1931 September 26
Archival Collection
To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Archival Component
Six Companies shovel operation at lower portal Number 4, Arizona side of Black Canyon: photographic print, 1931 September 28
Archival Collection
To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Archival Component
Lower portal Number 4, Arizona side of Black Canyon: photographic print, 1931 September 25
Archival Collection
To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Archival Component
Government pumping plant at the Colorado River in Black Canyon: photographic print, 1931 August 07
Archival Collection
To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Archival Component
Frigidaire drinking water and water-cooling plant at compressor plant Number 2, Arizona side of Black Canyon: photographic print, 1931 August 09
Archival Collection
To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Archival Component
Looking up from a point below the lower portals, showing the government pumping plant (lower left), the Six Companies' compressor plant (middle left), the location of the lower portals, and the highway loop above the canyon wall (upper center): photographic print, 1931 July 30
Archival Collection
To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Archival Component
A Six Companies freight barge at the lower portals: photographic print, 1931 September 26
Archival Collection
To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Folder 01
Archival Component
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