East side excavation area - tailrace slope on the left. In the upper center of 770 is 'tripper' at the sand and gravel mixer storage piles and the conveyor leading to the west mixer. In the center is abutment bedrock and on the left the forebay slope, and a conveyor from one of the feeders.; 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.

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Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
Model Released: No

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