Hubert Blonk Papers. SPC-006-0628-5-9-8
Black and white photograph
Scanned at 600 ppi TIFF format, resized to 72 ppi JPEG format.
The preparation of the southern end of the dam site has had most of the loose rock removed, and the cofferdam complete. The work of removing soil and loose rock on the north end of the dam was still under way.
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Grand Coulee Dam (Wash.); Hydroelectric power plants -- Washington (State); Dams -- United States -- Design and construction; Cofferdams -- Design and construction