Search Results
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)
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-06-03
Description
Looking up Black Canyon from a point below all the lower portals, showing the Government pumping plant (lower left), the Six Companies' compressor plant (middle left), the location of the lower portals, & the highway loop above the canyon wall (upper center) - 7/30/31.
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-06-03
Description
A Six Companies freight barge at the lower portals. (9-26-31)
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-06-03
Description
Marion electric shovel directly over the dam site during construction of the Government Highway (R. G. LeTourneau Co.) 9-26-31
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-06-03
Description
Bucyrus Erie shovel excavation for Site No. 3 compressor plant (Nevada side). June 2, 1931- Black Canyon.
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-06-03
Description
Bucyrus Erie shovel excavation for Site No. 3 compressor plant (Nevada side). June 2, 1931- Black Canyon.