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    • Tower Removal

    • Tower Removal

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

    • Demolition of a tower which carried the conveyor belt for aggregate across the Columbia River below the Grand Coulee Dam site.
    • 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
    • Toppling a Tower

    • Toppling a Tower

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

    • Removal of one of the towers used to support the conveyor belt which delivered aggregate to the west side mix plant. The foundation level of Grand Coulee Dam is complete, and the river flows through diversion slots in the dam.
    • Hubert Blonk
    • Brett Gravel Pit

    • Brett Gravel Pit

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

    • Aerial view of the Brett gravel pit. This was a source of aggregate for concrete used in the construction of the Grand Coulee Dam. View is looking generally south.
    • Hubert Blonk
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