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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
    • Cascades of the Columbia

    • Cascades of the Columbia

    • Expeditions & surveys; Railroad surveys; Columbia River; Cascade Falls

    • The Cascade rapids, sometimes referred to as the Cascade Falls. This is an area of rapids in the Columbia River where travelers by boat along the river were forced to either portage boats and supplies or pull boats up with ropes. Plate XLV.
    • Pacific Railroad Survey Prints
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