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Interior of one of many drill sharpening stations, showing forge and Ingersoll-Rand drill sharpener: photographic print, 1932 February 15
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Caterpillar 60 with bull-dozer in front and cow-dozer aft, used extensively for moving muck: photographic print, 1932 March 08
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Two levels of highway which will cross top of the dam. Note the rubble stone masonry retaining wall. High-level concrete mixing plant will be located in the draw in foreground: photographic print, 1932 March 02
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Looking upstream at Black Canyon. Dam will be located just upstream from footbridge, at bottom of picture. Entrance to upper portals of diversion tunnels opposite the middle truck bridge: photographic print, 1932 March 12
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Looking downstream from same point as photograph number 989. Lower portals of diversion tunnels are just below. This picture presents graphic view of problem of muck disposal: photographic print, 1932 March 14
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Marion electric shovel with 3.5 cubic yard rock dipper loading into White 8 cubic yard truck, at Nevada spillway cut: photographic print, 1932 March 18
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Mack truck with 14 cubic yard body being loaded at Nevada spillway cut. Five similar trucks being used on this operation: photographic print, 1932 March 18
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
White truck dumping near site of Nevada spillway cut and extending road the for muck disposal: photographic print, 1932 March 16
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Gantry crane used in pouring concrete in invert section of upper diversion tunnel Number 3: photographic print, 1932 March 18
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
View showing method of pouring concrete in invert section of tunnel lining: photographic print, 1932 March 18
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
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