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Displaying results 2481 - 2490 of 3010

Warren A. Bechtel Album of Hoover Dam: photographic print

Date

1971-08-03

Description

Pg.12 #2437 Upper Portals of the Diversion Tunnels. The dyke being built is at Elevation 690, which was the elevation of the top of the Tunnels. Nov. 30th, 1933. Pg.12 #2438 Close-up of Boulder Dam. The top blocks are at Elevation 715. Nov. 30th, 1933. Pg.12 #2444 Himix Plant. Note the new type of 8 cu. yd. bucket on the car, and the two additional 4 cu. yd. Mixers being installed. De. 1st, 1933. Pg.12 #2446 Arizona Intake Towers. The head tower for No. 10 Cableway is erected and the 180 ft. boom derrick is nearly complete. Dec. 1st, 1933

Photograph of mule on rocks, Hoover Dam, circa 1932

Date

1931 to 1933

Description

Mule on road to where power substation was being built, Hoover (Boulder) Dam. Note: "It took all day to get from boat launch to power substation. Took your lunch and a canteen. This spot is beside Hemenway Wash. - W. A. Davis, 1992."

Image

Photograph of tunnel outlets, Hoover Dam, circa 1940-1950s

Date

1940 to 1959

Description

Color image of Hoover Dam looking upstream and showing the white water of the Colorado River below the spillway tunnel outlets. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Slide of aerial view of Hoover Dam spillway, circa late 1930s

Date

1935 to 1939

Archival Collection

Description

An image showing an aerial view of people on the bridge overlooking one of the Hoover Dam spillways and the surrounding area in Black Canyon. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Slide of the top of Hoover Dam and intake towers, circa late 1930s

Date

1935 to 1939

Archival Collection

Description

An image of automobiles on the road over the top of the face of Hoover Dam. Two of the intake towers and one of the spillways are visible in the background. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Slide of downstream face of Hoover Dam, circa late 1930s

Date

1935 to 1939

Archival Collection

Description

An image of expelled water creating a rainbow mist over the Colorado River on the downstream side of Hoover Dam in Black Canyon. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Film transparency of Hoover Dam construction, circa 1931-1933

Date

1931 to 1933

Archival Collection

Description

An image showing a view down a Hoover Dam tunnel during construction; an unidentified man is sitting on a truck on the far end. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Film transparency showing outlet works at Hoover Dam, circa 1930s

Date

1933 to 1936

Archival Collection

Description

An image of the Hoover Dam outlet works. Visible in in the center of the image, people can be seen being lowered into the canyon on a scaffold. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Photograph of water discharging from jet flow gates, Hoover Dam, circa 1934-1936

Date

1934 to 1936

Archival Collection

Description

An image of men on the Arizona side of Boulder Dam watching as water discharges from the Nevada side jet flow gates (outlet works). The name was officially changed to Hoover Dam in 1947.

Image