Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
Shows construction method for the lower portion of the dam. Alternating blocks were constructed. The Columbia River was forced through slots by placement of temporary gates on the upstream side of the dam.
Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction;Cofferdams -- Design and construction.
The preparation of the southern end of the dam site has had most of the loose rock removed, and the coffer dam complete. The work of removing soil and loose rock on the north end of the dam was still under way.
Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction;Cofferdams -- Design and construction.
Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction;Railroads -- Design and construction.
The official opening of the contractor’s railroad was on July 29, 1935. Much of the work had been completed several months earlier. Governor Clarence D. Martin was the official engineer for the first official trip.
Spillways -- Design and construction; Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
TRASH RACKS (HYDRAULIC STRUCTURES); Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
Trash Racks on the upstream side of Grand Coulee Dam. The trash racks were to keep floating debris from entering the penstocks and damaging the turbines.