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Displaying results 1581 - 1590 of 3987

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

1971-08-03

Description

Pg.13 #2455 Looking upstream through Black Canyon showing Boulder Dam under construction. Dec. 15th, 1933. Pg.13 #2473 Close-up of Boulder Dam, looking downstream. Dec. 27th, 1933 Pg.13 #2480 Nevada Spillway Weir. Dec. 27th, 1933.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1971-08-03

Description

p.15 #1075 Temporary cable-way spanning Colorado River, near Look Out Point, provide access to Arizona Spillway operations shown in background. Apr. 1, 1932. p.15 #1076 Skipload of workmen being transported across Colorado River from Arizona side. Apr. 1, 1932.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1971-12-03

Description

p.24 #1766 - p.24 #1767 Panoramic view of upper cofferdam, looking downstream. Nov. 26, 1932. p.24 #1744 Lower portals of Diversion Tunnels No.3 & 4, after diversion of Colorado river was completed. Nov. 14, 1932. p.24 #1778 Upper cofferdam, taken from Lookout Point. Nov. 29, 1932.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1972-03-23

Description

Pg.83 #3352 - #3353 Panorama, looking upstream toward Boulder Dam reservoir, from Observation Point. July 25, 1935. Pg.83 #3351 Looking downstream toward Boulder Dam, from the Arizona side. July 25. 1935. Pg.83 #3370 View taken from the Nevada side, looking downstream toward Boulder Dam. July 26, 1935.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1972-05-09

Description

Pg.2 #2260 Nevada Spillway, looking upstream. June 27th, 1933. Pg.2 #2242 Lower Portals of Diversion Tunnels, discharging, 73,000 cubic feet per second flow into Colorado River. June 16th, 1933. Pg.2 #2259 Arizona Spillway, looking upstream, June 27th, 1933.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1972-05-09

Description

Pg.9 #2388 Boulder Dam, looking upstream. Oct. 15th, 1933. Pg.9 #2405 Upstream plug in Diversion Tunnel No. 3, after excavation of raise and Upstream Uptake Tower was completed. Oct. 30th, 1933. Pg.9 #2413 Boulder Dam, looking downstream. Oct. 31st, 1933.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1972-08-07

Description

Pg.38 #2720 Form work in Units 8 and 9, Arizona Power House. June 14th, 1934. Pg.38 #2733 Nevada Power House layout. June 21st, 1934. Pg.38 #2730 Night photograph of Power House construction. June 19th, 1934. Pg.38 #2732 Arizona Power House layout. June 21st, 1934.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1973-01-03

Description

Pg.18 #2528 Forms for transition at the Downstream Plug of Diversion Tunnel No. 2. Jan. 27th, 1934. Pg.18 #2507 Nevada Spillway Weir section. Jan. 24th, 1934. Pg.18 #2506 Nevada Spillway, looking upstream. Jan. 24th, 1934.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1973-02-06

Description

Pg.97 #3512 Looking upstream in Arizona Valve House. Note three gates and needle valves have been installed. Oct. 29, 1935. Pg.97 #3497 View from top of Boulder Dam, looking toward Power House, Valve Houses and lower portals of Diversion Tunnels. Oct. 28, 1935.