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Construction phase of the Boulder Canyon Project; a horse team outfit at the Boulder City branch of the Los Angeles and Salt Lake Railroad, 1930 October 25
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Construction phase of the Boulder Canyon Project; first round of drilling to enlarge the upper portal of diversion tunnel No. 2; the welded steel "Jumbo Rig" mounted on the truck has 25 air drills on it; the swing shift crew standing next to the rig prepare for work, 1931 November 18
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Construction phase of the Boulder Canyon Project; excavation for the Hoover Dam construction substation by the Nevada-California Power Company, 1931 March 27
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Ray Lyman Wilbur, Secretary of the Interior, at a ceremony which inaugurated construction on the Boulder City branch of the Los Angeles and Salt Lake Railroad, signaling the beginning of the Boulder Canyon Project. Includes Senator Key Pittman of Nevada; Governor Fred Balzar of Nevada; Carl Gray, President of Union Pacific Railroad system; Secretary Wilbur holding the Nevada silver spike; and Senator Tasker L. Oddie of Nevada, 1932 February 13
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Gravel testing laboratory at the Stewart Ranch, also known as the Las Vegas Ranch, after completed repairs to the building, 1929 September
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Completed gravel testing laboratory at the site of the former Stewart Ranch, 1929 September
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Gravel testing laboratory at the site of the former Stewart Ranch; O. G. Patch stands in the foreground, 1929 September 20
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Interior view of the gravel testing laboratory at the site of the former Stewart Ranch, 1929 September 20
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Gravel testing laboratory at the Stewart Ranch, 1929 September 20
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Gravel testing laboratory at the Stewart Ranch, 1929 September 20
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
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