1977-03-31
Drawings
Grand Coulee Dam, Columbia Basin Project, Visitor Arrival Center
1977-03-31 Drawings Grand Coulee Dam, Columbia Basin Project, Visitor Arrival Center 1976-09-01 Drawings Grand Coulee Dam, Columbia Basin Project, Visitor Arrival Center 1976-07-21 Drawings Grand Coulee Dam, Columbia Basin Project, Visitor Arrival Center 1975-01-17 1976-12-01 Drawings Grand Coulee Dam, Columbia Basin Project, Visitor Arrival Center 1973-03-06 1973-04-26 Drawings Grand Coulee Dam, Columbia Basin Project, Visitor Arrival Center 1973-03-15 Drawings Grand Coulee Dam, Columbia Basin Project, Visitor Arrival Center |