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Displaying results 1671 - 1680 of 3987

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1978-11-04

Description

Pg.85 #3355 Looking downstream toward the Arizona Spillway, showing highway bridge and Arizona Highway. Jul. 25, 1935. Pg.85 #3381 Switchyard, Rigging Loft, and surround area. Jul. 26, 1935. Pg.85 #3379 Looking downstream toward No.1 raise and Nevada Spillway. Note drainage flume in foreground. Jul. 26, 1935. Pg.85 #3383 Looking into No.3 downstream plug, from the Nevada plug adit. Note forms for the first pour being built. Jul. 26, 1935.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1978-11-04

Description

Pg.88 #3401 Boulder Dam and Intake Towers, from Arizona side. Aug. 26, 1935. Pg.88 #3408 Looking upstream toward Nevada Spillway drainage flume and general area. Aug. 26, 1935. Pg.88 #3391 Looking upstream toward Boulder Lake, from Observation Point. Aug. 21, 1935. Pg.88 #3409 View taken from Arizona Intake Towers, looking toward Arizona Spillway. Note excavation for the float well supply line. Aug. 26, 1935.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1978-11-04

Description

Pg.89 #3423 Interior view of Nevada Valve House, looking downstream. Note N-6 Emergency Gate being installed. Aug. 27, 1935. Pg.89 #3424 Nevada Valve House roof, looking upstream. Note low strength pedestals and double layer of railroad iron being placed. Aug. 27, 1935. Pg.89 #3407 Switchyard control house, yard and present sub-station. View taken looking toward Boulder Dam. Aug. 26, 1935.

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1978-11-04

Description

Pg.90 #3417 View of Arizona side of lower portals clean-up. Aug. 26, 1935. Pg.90 #3397 Nevada construction adits, Valve House and plug adit portal. Note absence of upstream end of lower portal road tunnel. Aug. 21, 1935. Pg.90 #3412 View of Nevada side of lower portals clean-up. Aug. 26, 1935. Pg.90 #3431 View taken from downstream Nevada Plug adit, looking toward No.2 downstream plug. Aug. 27, 1935.

Postcard of Hoover Dam construction, circa late 1920s - early 1930s

Date

1930 to 1935

Description

Description provided on front of image: "Diversion tunnel No. 3 being lined with concrete-Hoover Dam, Oakes."

Image

Photograph of powerhouse construction printed in book, Hoover Dam, January 4, 1940

Date

1940-01-04

Description

Colorado River-Hoover Dam. Dam and powerhouse construction from book: Boulder Dam of the Great Southwest by Ralph B. Simmons' 1936. Inscription reads: "Below the massive wedge of concrete showing the power house rising against the hard rock walls of Black Canyon." Site Name: Hoover Dam (dam)

Image

Film transparency showing an aerial view of Hoover Dam, circa late 1930s

Date

1936 to 1940

Archival Collection

Description

An image showing aerial view of Hoover Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Film transparency showing an aerial view of Hoover Dam, circa late 1930s

Date

1935 to 1939

Archival Collection

Description

An image showing aerial view of Hoover Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Photograph of the Colorado River on the opposite side of the Hoover Dam, December 20, 1936

Date

1936-12-20

Description

Water from the Colorado River visible from the top of the Hoover Dam. Site Name: Hoover Dam (dam)

Image

Photograph of a man and burro near Hoover Dam, circa late 1930s

Date

1935 to 1939

Archival Collection

Description

An unidentified man leading a burro on rocks near Hoover Dam; the dam's intake towers can be seen in the background.

Image