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Group of men who witnessed the pouring of the first concrete in Hoover Dam: H. J. Lawler, Director of Six Companies, Inc.; Walker R. Young, Construction Engineer, U.S. Bureau of Reclamation; Frank T. Crowe, General Superintendent, Six Companies, Inc.; C. A. Shea, Director of Construction, Six Companies, Inc.; W. A. Bechtel, President, Six Companies, Inc.; R. F. Walter, Chief Engineer, U.S. Bureau of Reclamation; Theodore A. Walters, First Assistant Secretary of the Interior; and Ed Clark and C. P. Squires, members of the original Colorado River Commission, 1933 June 06
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Boulder Canyon Dam "C" site, approximately 1931-1936
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Fortification Hill as seen from the Nevada shore of Black Canyon Reservoir, 1935 February 26
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Extension work on Nevada Spillway Tunnel no. 2 at Hoover Dam performed by Guy F. Atkinson Company of San Francisco, California, 1946 April 26
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Hoover Dam looking upstream through Nevada spillway, overflow weir under construction at right, completed section of channel lining and parapet at left, 1933 August 29
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Hoover Dam with first 8 cubic yard batch of concrete being placed in the dam, 1933 June 06
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Hoover Dam with a thirty-foot-diameter steel penstock pipe set up from joint assembly at the Babcock and Wilcox Co. Plant, 1933 February 10
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Hoover Dam with during the placing of a concrete in block at mid-section of dam, 1933 July 18
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Hoover Dam evaporation tower for dam precooling system located on downstream cofferdam, 1933 June 26
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
Hoover Dam upstream face of the dam as seen from portal of construction tunnel on Nevada side of Black Canyon, 1935 February 27
Level of Description
File
Archival Collection
Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Archival Component
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