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Blasting usually scheduled for 11:30 a.m., and billowing dust dislodged from canyon rim completely fills the canyon: photographic print, 1932 August 16
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Blast on cableway bench excavation, on Arizona side, above dam site. Photograph taken from lower portal of Railroad tunnel Number 1: photographic print, 1932 August 24
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Photograph of blast at same place shown above, taken from opposite, on Black Canyon Highway: photographic print, 1932 August 16
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Huge billows of rock and dust pour over canyon rim and descend to river below: photographic print, 1932 August 24
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Blast on Arizona intake tower excavation, which has filled canyon with smoke and dust. Upper steel suspension bridge shown in background: photographic print, 1932 August 16
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Looking across reservoir area, which will be submerged when Hoover Dam is completed. Flat-topped hill in center of photograph will form a small island and ridge in foreground will be submerged: photographic print, 1932 August 15
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Visitors to project are intrigued by the multiplicity of dish pans used as reflectors, which are scattered all over the project where night work takes place. This is the crew that installs them: photographic print, 1932 August 15
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
High scalers perched on bench 1000 feet above river prepare anchorages from which workmen will be suspended by ropes in scaling canyon walls for penstock tunnel adits: photographic print, 1932 August 22
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Close-up of upper portal of diversion tunnels Number 3 and 4, during preparations for blast: photographic print, 1932 November 13
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Close-up of upper portals of diversion tunnels Number 3 and 4, showing flow in diversion tunnel Number 4, shortly after blast: photographic print, 1932 November 13
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
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