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Close-up of Number 1074 to the left. Workmen are 700 feet above river: photographic print, 1932 April 01
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Marion type of 125 electric dragline with 5 cubic yard bucket loading into 30 cubic yard side dump cars at gravel pit. Mikado type locomotives pull 10-car trains, 3 trains of this type in operation: photographic print, 1932 May 03
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
As protection against high water, a "bridle" has been attached to upstream face of gravel pit bridge. A 3-inch cable is anchored to concrete dead-men and horizontal stays are attached to bents on bridge: photographic print, 1932 May 15
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Ten-car train of gravel crossing 1100-foot trestle bridge and bound for screening plant. Round trip take slightly over two hours: photographic print, 1932 May 03
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Locomotive equipment of Six Companies, Inc. on yard at gravel plant: photographic print, 1932 May 15
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Detail image of side-wall "jumbo" used in placing 3-foot thick lining in diversion tunnels. Side wings are jacked into place, and concrete is poured through ports by a traveling crane and 2 yard buckets: photographic print, 1932 April 18
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
First "jumbo" for pouring concrete lining in top or arch section of tunnels was erected on "beach" in front of tunnel Number 2 and transported across river in sections by cableway: photographic print, 1932 May 20
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
View showing forms set for first side-wall pour in upper portal of tunnel Number 3. Form is 80-feet long and consists of four 20-foot sections bolted together. Note size of man in upper right: photographic print, 1932 April 29
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Excavation for benches for movable cableway towers being carried on, near Lookout Point: photographic print, 1932 August 14
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Workmen loading holes with dynamite, in preparation for blast on cableway bench excavation: photographic print, 1932 August 15
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
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