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  • All fields: Hydroelectric
(184 results)



Display: 20

    • Conveyer Tower

    • Conveyer Tower

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

    • A conveyer belt was carried on a suspension bridge over the Columbia River at a height approximately 35 feet higher than the finished dam.
    • Coupling Bolts

    • Coupling Bolts

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

    • Placing one of the twenty-eight coupling bolts for the generator. Each coupling bolt, with nut, weighs 1000 pounds.
    • Dam Site and Towns

    • Dam Site and Towns

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

    • Over view of the work area looking southwest.
    • Dedication of Third Power Plant

    • Dedication of Third Power Plant

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

    • Unidentified dignitary addressing the audience at the dedication of the Third Power Plant. Representative Thomas Foley sitting behind the speaker. Secretary of Interior James Watt and Washington Governor John Spellman are seated at far right.
    • Dinner gathering

    • Dinner gathering

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

    • Large group of people at a dinner gathering, looks to be in an auditorium with a podium and flag in the center.
    • Down to Bedrock

    • Down to Bedrock

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

    • Crews working to prepare the southern end of the dam site by removing soil and loose rock.
    • Driller

    • Driller

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

    • Drilling for preparation for foundation of Grand Coulee Dam.
    • Drillers

    • Drillers

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

    • Working with air drills to remove fractured rock from the dam site before pouring the foundation for Grand Coulee Dam.
    • Drilling Crew

    • Drilling Crew

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

    • Using air drills to prepare the bedrock for the foundation of Grand Coulee Dam.
    • Drilling Crew

    • Drilling Crew

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

    • Crew working with air drills working their way to solid bedrock for the foundation of Grand Coulee Dam.
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