1968-07-25 1968-10-04
Drawings
Grand Coulee Dam, Columbia Basin Project, Third Power Plant and Forebay Dam
1968-07-25 1968-10-04 Drawings Grand Coulee Dam, Columbia Basin Project, Third Power Plant and Forebay Dam 1968-07-25 1968-10-04 Drawings Grand Coulee Dam, Columbia Basin Project, Third Power Plant and Forebay Dam 1968-07-25 1968-12-20 Drawings Grand Coulee Dam, Columbia Basin Project, Third Power Plant and Forebay Dam |