Photograph Gallery
Historic Views
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Construction Era Photographs of Hoover Dam
Black Canyon before construction began, 1922
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During the Depression jobs were hard to come by, and when it was announced
that Hoover Dam construction was about to begin, thousands came looking
for work, 1931
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High scalers drilling into canyon wall 500 feet above the Colorado
River in Black Canyon, site of Hoover Dam, 1932
Photo # Wash No 01333
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Early construction in Black Canyon
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Before the Dam could be built the Colorado River had to be diverted through tunnels. This piece of equipment, named a Jumbo Rig, was designed to speed up the tunnel drilling process. Built on the back of a 10-ton truck, 24 to 30 drills could be operated at once.
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Tunnel Entrance
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Tunnel bulkhead
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|
After the tunnel was completed it was lined with three feet of concrete
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|
Black Canyon showing conditions at the dam sit prior to beginning of
excavation between the cofferdams, 1933.
Photo # BCP-01634
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Excavation of river bed begins
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Setting the foundation
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Powerhouse under construction
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Almost finished
Photo # BCP-3252
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Upstream face, 1935
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Finished
Photo # P45-300-01501
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For information
on ordering prints, video footage or other images, contact the Lower
Colorado Regional Photo Lab staff by e-mail to: Andy Pernick at apernick@usbr.gov or
Karen Cowan at kcowan@usbr.gov,
or by phone at 702-293-8591. If a photo number is listed, please use that
for any requests.
Last Reviewed: 6/2/2008