Hubert Blonk Papers. SPC-006-0628-5-19-26
Black and white photograph
Scanned at 600 ppi TIFF format, resized to 72 ppi JPEG format.
Construction at Grand Coulee Dam, showing several aspects of work. Drillers with air drills working to get down to un-fractured bedrock, cofferdam construction, and the overhead conveyor belt transporting aggregate to the concrete mixing plants.
Archives & Special Collections, Eastern Washington University Libraries.
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Grand Coulee Dam (Wash.); Hydroelectric power plants -- Washington (State); Dams -- United States -- Design and construction; Cofferdams--Washington (State)--Grand Coulee Dam; Cranes, derricks, etc.--Washington (State)--Grand Coulee Dam