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Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1978-11-17

Description

Pg.92 #3450 President Roosevelt dedicating Boulder Dam. Sept. 30, 1935. Pg.92 #3479 View taken from adit, showing No.1 pour in downstream No.2 diversion tunnel plug. Cribbing for use as temporary pipe supports. Sept. 27, 1935. Pg.92 #3475 Nevada Intake Tower roofs. Note concrete shingle arrangement. Sept. 27, 1935. Pg.92 #3472 View of Switchyard, showing control house, foundations and general excavation. Sept. 27, 1935.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1971-07-01

Description

p.6 #953 Looking out of upper portal of Diversion Tunnel No.2. Bucyrus Erie 43-B gas-air shovel reflected in pool of water. Mar. 7, 1932. p.6 #971 Flashlight close-up of workmen drilling on invert excavation. Mar. 7, 1932 p.6 #970 Flashlight photograph of drilling jumbo working on invert excavation at upper portal of Diversion Tunnel no.4 Mar. 8, 1932. p.6 #972 Wings extended for drilling fold back against the sides of drilling jumbo. Mar. 8, 1932.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1971-07-01

Description

p.8 #989 Looking upstream at Black Canyon. Dam will be located just upstream from foot-bridge, at bottom of picture. Entrance to upper portals of diversion tunnels opposite the middle truck bridge. Mar. 12, 1932. p.8 #996 Looking downstream from same point as No.989. Lower portals of diversion tunnels are just below. This picture Presents graphic view of problem of muck disposal. Mar. 14, 1932.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1971-07-01

Description

p.9 #1011 Marion electric shovel with 3 1-2 cubic yard rock dipper loading into White 8 cubic yard truck, at Nevada spillway cut. Mar, 18, 1932. p.9 #1014 Mack truck with 14 cubic yard body being loaded at Nevada Spillway cut. Five similar trucks being used on this operation. Mar. 18, 1932. p.9 #1004 White truck dumping near site of Nevada spillway cut and extending road the for muck disposal. Mar. 16, 1932.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1971-07-01

Description

p.11 #1067 Nevada Spillway open cut excavation, as seen from Arizona side of river. Mar. 28, 1932. p.11 #1046 Same blast as No.1063, taken from river-level looking downstream. Mar. 28, 1932. p.11 #1063 Blast in scaling down canyon walls for construction of intake towers. Mar. 28, 1932. p.11 #1047 View taken few minutes after No.1046, to the left. Mar. 28, 1932.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1971-08-03

Description

Pg.14 #2457 Two-hundred ton two-way trailer, for transporting sections of 30 ft. penstock pipe. Dec. 15th, 1933. Pg.14 #2460 View of 200-ton two-way trailer, with test load. Dec. 15th, 1933. Pg.14 #2481 Excavation for Downstream Plug, Diversion Tunnel No. 3. Dec. 29th, 1933. Pg.14 #2485 Excavation for Downstream Plug, Diversion Tunnel No. 3. Dec. 29th, 1933.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1971-08-03

Description

p.14 #1277 Steel forms for lining the arch sections of diversion tunnels were erected on muck-fill on Nevada side of river. Jun. 18, 1932. p.14 #1235 Section of arch jumbo form being transported across river by overhead cableway. Note workman on top of form. Jun. 10, 1932. p.14 #1278 Forms were constructed in 11-foot sections and transported to Arizona side by over head cableways. Jun. 18, 1932.