Presentation Album of Thirty Original Photographs of the Construction of Seattle City Light's Boundary Hydroelectric Project, 1963-1967
Seattle Light City Boundary Project, [1967]. Boundary Dam, located on the Pend Oeille River in Northeastern Washington, supplies a substantial portion of the hydroelectric power used by Seattle residents. A concrete, double-curvature arch dam rising 340 feet from bedrock, it is 740 feet long at the top, 32 feet thick..... Item #20994