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In 1931, Utah joined Six Companies Inc. to raise the surety required to bid for the Boulder (Hoover) Dam contract. One of the world’s largest dams, Hoover Dam was completed in 1936 at a cost of $49 million. These scrapbooks document through...
2024-05-05
"2808 Nevada Powerhouse unit No. 8, from the Nevada retaining wall, showing turbine base and penstock tunnel. August 21st, 1934 2809 Looking upstream through Nevada Powerhouse, showing reinforcing steel and forms. August 21st, 1934 2829...

"3553 View from the crest of Boulder Dam, looking downstream toward the Power House and lower portals of the Diversion Tunnels. November 26th, 1935. 3527 Boulder Dam and Power House, looking upstream from the Nevada side. Note the reservoir...

"3312 The Arizona Valve House, from the Nevada side. May 27th, 1935 3311 The Nevada Valve House, from the Arizona side. May 27th, 1935. 3277 Telephoto view, from the Arizona side, showing portion of the Nevada Powerhouse. May 27th,...

"2799 Arizona Intake Towers, from the Nevada side. Nevada Intake Tower No. 5 in forground, with upstream face of Boulder Dam shown to right. August 17th, 1934. 2814 Nevada Intake Towers, from the Arizona side. Upstream face of Boulder...

"2457 Two-hundred ton two-way trailer, for transporting sections of 30-ft. penstock pipe. December 15th, 1933 2481 Excavation for Downstream Plug, Diversion Tunnel No. 2, December 29th, 1933. 2460 View of 200-ton two-way trailer, with test...

"3549 Looking south toward Boulder Dam Switchyard, showing the construction and excavation. November 26th, 1935. 3551 Looking upstream along the Nevada approach to Boulder Dam. Note the rubble wall being built and excavation for tower...

"2826 Boulder Dam, looking upstream from Lookout Point. August 31st, 1934. 2831 Looking upstream into No. 1 Raise from the river side of the Nevada Spillway, showing form work at portal. August 31st, 1934 "

"3136 Close-up of the Arizona Intake Towers-No. 6 on left, No. 3 on right. Note the forms for the dome of Intake Tower No. 6. March 4th, 1935. 3120 Looking downstream from the Arizona side, showing Boulder Dam, the Intake Towers and...

"2260 Nevada Spillway, looking upstream. June 27th, 1933. 2242 Lower Portals of Diversion Tunnels, discharging 73,000 cubic feet per second flow into Colorado River. June 16th, 1933. 2259 Arizona Spillway, looking upstream. June 27th,...

"3293 View from the Nevada Utility Tower of Boulder Dam, showing the Memorial Day exercises in connection with the unveiling of the plaque commemorating the men who gave their lives in the construction of Boulder Dam. May 30th, 1935. 3298 View...

"2919 Boulder Dam, looking upstream from Lookout Point. November 2nd, 1934. 5 Top of Boulder Dam, looking toward the Arizona side. Arizona Spillway and Intake Towers in Background. October 17th, 1934. 2883 Looking toward the Arizona...

"1774 Head Tower for No. 8 Cableway showing counterweight, hoist resistor assembly and travel track arrangement. November 29th, 1932. 1785 Looking upstream in Black Canyon, from Lower Portals, showing Lower Cofferdam site and general...

"1823 General view of progress on the High Mix concrete Plant, and Head Tower for No. 9 Cableway. December 20th, 1932. 1841 High Mix concrete plant and Head Tower for No. 9 Cableway. January Jth, 1933. 1846 Lower Portals of the Diversion...

"2175 Excavating in the prehistoric bed of the Colorado River. April 30th, 1933. 2143 View of the Arizona Spillway. April 21st, 1933. 2173 Government 150-ton Cableway and Blending Plant. April 29th, 1933. 2126 Weir section...

"1539 Crew of Highscalers stripping Canyon Wall. August 31st, 1932. 1598 Erecting Sidewall Jumbo at Upper Portal of Diversion Tunnel No. 1. September 10th, 1932."

"1355 Workmen loading out for the canyon on the day shift in front of Six Companies Inc. mess hall. Dormitory shown in the background. July 20th, 1932. 1356 Transport trucks holding 48 men used for hauling workman to and from the canyon...

"1541 Lower Portals of Diversion Tunnels No. I and No. 2, during flash rise in the River. August 31st, 1932. 1542 Lower Portals of Diversion Tunnels No. 3 and No. 4, during flash rise in the River. August 31st, 1932. 1546 Closeup of Lower...

"1630 Bulkhead Gate during construction at Upper Portal of Diversion Tunnel No. 1. September 22nd, 1932. 1632 Bulkhead Gate during construction at Upper Portal of Diversion Tunnel No. 1. September 28th, 1932. 1635 Bulkhead Gate construction...

Field sampling was carried out between 0830 and 1500 beginning at the confluence of Las Vegas Wash and the Inner Las Vegas Bay. Ten (10) locations were sampled, each in a similar manner. Locations of sampling stations are in line from the Wash-Bay...
1996-04-08
A press release printed May 26, 1931 for distribution to Southern California daily, community, weekly, and semi-weekly newspapers. The press release provides information about the creation and size of the Hoover Dam.
1931-05-26
A pamphlet printed October, 1928 for distribution at the Boulder Dam exhibit in the Southwest Exposition in Long Beach, California and for general distribution. The pamphlet provides information about the Boulder Canyon Dam, especially in how it...

A bulletin from 1929 that explains the benefits and features of the Colorado River and Boulder Canyon Dam project. It details benefits such as water quality, flood control, irrigation, economic benefits, and other topics. The document also...
2024-05-05
Lobbying brochure encouraging support of the Swing-Johnson congressional bill from taxpayers and citizens of the Imperial Valley. Provides information about proposed projects that would be financed through the bill such as the Boulder Dam (Hoover...

Correspondence between L. Ward Bannister and Delph Carpenter concerning disagreements over apportionment of the Colorado River and power generated by Hoover Dam, especially disagreements between Arizona and California

2007-01-02
2007-01-02
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