The “Government Town” in the foreground, and the “Contractor’s Town” across the river, in the background. Mason City, the contractor’s town, was named for Silas B. Mason.
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.
Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
Preparation for constructing the pumping station to bring water from Lake Roosevelt into the Grand Coulee itself. Boring the tunnels for the pumping plant.