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    • Temporary Gate for Grand Coulee Dam

    • Temporary Gate for Grand Coulee Dam

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

    • A temporary floodgate used to close off a slot in the dam is being barged into position.
    • Hubert Blonk
    • Trains Carrying Concrete

    • Trains Carrying Concrete

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

    • Concrete was carried from the mixing plant to the job site in four cubic yard buckets, which were loaded on flat cars, each carrying four of the buckets at a time. The trains ran out onto temporary trestle work, and cranes picked up the buckets,...
    • Hubert Blonk
    • 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
    • Mason City

    • Mason City

    • Mason City (Wash.) [town]

    • The temporary town built to house some of the contractor’s employees working on Grand Coulee Dam.
    • Hubert Blonk
    • Downtown Grand Coulee

    • Downtown Grand Coulee

    • Grand Coulee (Wash. : Coulee);Central business districts -- United States -- History.

    • Probably taken about 1936, the business district has service stations and stores. The temporary contractor’s railroad crosses the street near the center of the photograph.
    • Hubert Blonk
    • Building the Contractor’s Railroad

    • Building the Contractor’s Railroad

    • Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction; Scrapers (Earthmoving machinery) ; Horse-drawn vehicles -- History

    • Construction of the temporary railroad from Coulee City to the dam site utilized methods common a half century earlier when the Northern Pacific built its branch to Coulee City. Horse drawn fresno scrapers are being used to grade the roadbed.
    • Hubert Blonk
    • Inspecting Progress on Grand Coulee Dam

    • Inspecting Progress on Grand Coulee Dam

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

    • Group of dignitaries visiting Grand Coulee Dam pose for a group photo with the dam in the background. Work remains on the spillways and roadway on the top of the dam, as well as removal of the temporary trestle used to provide construction access.
    • Hubert Blonk
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