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First train loaded with gravel leaving gravel pits for screening plant: photographic print, 1932 February 10
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Foundations for the trash rack structure being installed in front of upper portal of diversion tunnel Number 2. This is where the first pay concrete was poured: photographic print, 1932 March 07
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
View of gravel plant, showing live storage of screened aggregate and sand in foreground. Storage pile for raw aggregate in background: photographic print, 1932 March 02
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Upper portals of diversion tunnels Number 1 and 2. Note workmen scaling above portal of diversion tunnel Number 1: photographic print, 1932 March 07
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Night view of gravel plant, taken near first scalping screen, and looking in opposite direction than the view on left: photographic print, 1932 February 26
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Looking out of upper portal of diversion tunnel Number 2. Bucyrus-Erie 43-B gas-air shovel reflected in pool of water: photographic print, 1932 March 07
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Flashlight close-up of workmen drilling on invert excavation: photographic print, 1932 March 07
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Flashlight photograph of drilling jumbo working on invert excavation at upper portal of diversion tunnel Number 4: photographic print, 1932 March 08
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Wings extended for drilling fold back against the sides of drilling jumbo: photographic print, 1932 March 08
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
First-aid station and ambulance located at river camp above upper portals. Similar hospital is maintained at lower portals: photographic print, 1932 March 08
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
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