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    • Grand Coulee Dam Construction

    • Grand Coulee Dam Construction

    • 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.
    • Hubert Blonk
    • Grand Coulee Dam Site

    • Grand Coulee Dam Site

    • Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.

    • Early construction work at the dam site. Removal of overburden was under way. View looking upstream.
    • Hubert Blonk
    • Reservoir Side of Grand Coulee Dam

    • Reservoir Side of Grand Coulee Dam

    • Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Reservoirs -- Washington (State) -- Grand Coulee.

    • View from the upstream side of the dam under construction before the reservoir started to fill.
    • Hubert Blonk
    • Trash Racks

    • Trash Racks

    • 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.
    • Hubert Blonk
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