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Bucyrus-Erie shovel excavation for Site Number 3 compressor plant: photographic print, 1931 June 02
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Bucyrus-Erie shovel excavation for Site Number 3 compressor plant: photographic print, 1931 June 02
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Shovel excavation of a blasted rock cut along the edge of Black Canyon: photographic print, 1931 June 02
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Six Companies railroad grade below Cape Horn, Black Canyon: photographic print, 1931 August 09
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Upper portal of the Six Companies railroad tunnel Number 1: photographic print, 1931 August 09
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Six Companies railroad grade above railroad tunnel Number 1 showing the proposed location of the "low-mix" concrete mixing plant: photographic print, 1931 August 09
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Boat landing at railroad tunnel Number 1 and the catwalk to the Arizona side of Black Canyon: photographic print, 1931 August 09
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Duplicate of photographic prints: photographic negatives, approximately 1932 to 1934
Level of Description
File
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Hoover Dam: photographic print, 1933 June 27
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
Cut-off trench at upstream side of Hoover Dam: photographic print, 1933 June 23
Level of Description
Item
Archival Collection
Six Companies, Inc. Hoover Dam Photograph Collection
Archival Component
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