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Display: 20

    • “One of the Originals”

    • “One of the Originals”

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

    • One of the original air drills used to build Grand Coulee Dam is retained as a historical object.
    • Hubert Blonk
    • Third Power Plant Dedication - Grand Coulee Dam

    • Third Power Plant Dedication - Grand Coulee Dam

    • Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dedication services;Cheerleading -- United States;marching drills

    • Ceremony dedicating the third power house at Grand Coulee Dam. Cheerleaders and drill team performing at the ceremony, with audience and the dam in the background.
    • Hubert Blonk
    • Third Power Plant Dedication - Grand Coulee Dam

    • Third Power Plant Dedication - Grand Coulee Dam

    • Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dedication services;Cheerleading -- United States;marching drills

    • Ceremony dedicating completion of the third power house at Grand Coulee Dam. Cheerleaders and drill team performing, audience and dam behind the performers.
    • Hubert Blonk
    • 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.
    • Hubert Blonk
    • 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.
    • Hubert Blonk
    • 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.
    • Hubert Blonk
    • Coffer Dam Construction

    • Coffer Dam Construction

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

    • Construction at Grand Coulee Dam, showing several aspects of work. Drillers with air drills working to get down to un-fractured bedrock, coffer dam construction, and the overhead conveyor belt transporting aggregate to the concrete mixing plants.
    • Hubert Blonk
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