Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
The initial level of concrete has been poured across the entire distance of the bottom of the dam. The Columbia is flowing over the central portion of the dam.
Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dedication services; Watt, James G., -- 1938-;United States. -- Dept. of the Interior -- Officials and employees;Foley, Thomas S.;Spellman, John.
Secretary of Interior James G. Watt speaking at the dedication of the third power house at Grand Coulee Dam. Congressman Thomas Foley seated immediately behind Secretary Watt, Governor John Spellman seated at far right, visible over standing...