Search Results
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-05-04
Description
Bucyrus shovel working on road to lower end of Tunnels No. 1 and No. 2. May 2nd, 1931.
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-05-04
Description
Looking out of the lower portal of Diversion Tunnel #2. Note the size of the men in the entrance. January 25, 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
A telephoto view of the muck disposal area on the Arizona side, below the lower portals of Diversion Tunnels #3 and #4. Jan. 19, 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
Six Companies shovel operation at lower portal No. 4, Arizona side of Black Canyon. (9-28-31)
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-06-03
Description
Lower portal No. 4, Arizona side of Black Canyon - full heading tunnel has begun construction. (9-25-31)
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-06-03
Description
Government pumping plant at the Colorado River in Black Canyon for pumping water to Boulder City. (8-7-31)
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-06-03
Description
Frigidaire drinking water plant and water-cooling plant at compressor plant No. 2, Arizona Side of Black Canyon. (8-9-31)