Looking down on bedrock from west tailrace slope - forebay slope in the distance. To the left is conveyor from 'clean-up' feeder - overhead is flow of sand and gravel conveyor bridge - lower-right, a bent for the low (950) concrete placing trestle. At the top is the west side steel sheet piling cofferdam - low water river level 115 feet above low point in excavation.; Scope and content: Photograph from Volume Two of a series of photo albums documenting the construction of the Grand Coulee Dam and related work on the Columbia Basin Project.
Size: 5862px × 4264px
Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: