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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

    • Grand Coulee Dam

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

    • View looking west across the reservoir side of the dam. The spillway drum gates are not installed, and the roadway across the top of the dam has not been built yet.
    • Hubert Blonk
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