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Displaying results 2711 - 2720 of 7893

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1977-05-06

Description

Pg.55 #2936 Boulder Dam, looking upstream from Lookout Point. Dec. 3rd, 1934. Pg.55 #2958 Third millionth cubic yard of concrete being lowered to Boulder Dam. Dec. 5th, 1934.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1978-02-06

Description

Pg.68 #3131 The Arizona Intake Towers, from the Nevada side. Feb. 25, 1935. Pg.68 #3130 The Nevada Intake Towers, from the Arizona side. Feb. 25, 1935,

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1971-05-04

Description

One of the Mack trucks in front of the upper portal of Diversion Tunnel #2. This truck has 9 cubic yards capacity. Note the steel canopies over the driver's heads on all the trucks. Jan. 28, 1932.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1971-05-04

Description

A flashlight photograph of the interior of one of the diversion tunnels. The drilling jumbo is working at the tunnel face. The 12' by 12' top-heading can be plainly seen. January 28, 1932.

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.