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Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-05-04
Description
One of the drilling jumbos ready for action. This view was posed outside the tunnel, just as the swing shift was ready to go to work on the upper portal of Diversion Tunnel #1. January 28, 1932.
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-05-04
Description
Drilling jumbos (aka Williams Jumbo) mounted on the back of a truck for starting construction of lower portal No. 4, Arizona side of Black Canyon. 9-26-31. (This first wood-frame jumbo was experimental - the jumbos later were steel pipe)
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-06-03
Description
Marion electric shovel directly over the dam site during construction of the Government Highway (R. G. LeTourneau Co.) 9-26-31
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-06-03
Description
Six Companies railroad grade above railroad tunnel No. 1 showing the proposed location of the "low-mix" concrete mixing plant. (8-9-31)
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-08-03
Description
Pg.11 #2419 Boulder Dam. Nov. 7th, 1933 Pg.11 #2428 Boulder Dam. (note 10 ft. diameter Power House Gallery forms being installed) Nov. 22nd, 1933.
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-08-03
Description
p.16 #1074 Scaling down canyon wall, in excavation for intake tower on Nevada side. Apr. 1, 1932. p.16 #1073 Close-up of No.1074 to the left. Workmen are 700 feet above river. Apr. 1, 1932.
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1972-02-22
Description
Pg.23 #2534 Boulder Dam, looking upstream. Cooling Tower in foreground. Feb. 15th, 1934. Pg.23 #2560 General view of Boulder Dam, looking upstream. March 1st, 1934.
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1972-03-02
Description
Pg.43 #2789 Boulder Dam, looking upstream from Lookout Point. July 31st, 1934. Pg.43 #2777 Looking downstream at Boulder Dam, from the Arizona side. July 24th, 1934.
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1972-03-28
Description
Pg.84 #3358 Looking upstream toward Boulder Dam and the Power House. July 25, 1935. Pg.84 #3362 Looking toward the Power House and Valve Houses, from top of Boulder Dam. Jul. 25, 1935.
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1972-03-28
Description
Pg.25 #2578 Boulder Dam, looking upstream. March 16th, 1934. Pg.25 #2618 Boulder Dam, looking upstream. April 1st, 1934.