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Display: 20

    • Trash Racks

    • Trash Racks

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

    • Trash Racks on the upstream side of Grand Coulee Dam. The trash racks were to keep floating debris from entering the penstocks and damaging the turbines.
    • Hubert Blonk
    • Spillway, Grand Coulee Dam

    • Spillway, Grand Coulee Dam

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

    • The bottom of the spillway, nearing completion.
    • Hubert Blonk
    • McNary Dam

    • McNary Dam

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

    • Construction of McNary Dam began in 1947.
    • Hubert Blonk
    • McNary Dam

    • McNary Dam

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

    • McNary Dam construction began in 1947, powerhouse completed in 1957.
    • Hubert Blonk
    • Martin, Clarence D., on the first Official Train to Grand Coulee

    • Martin, Clarence D., on the first Official Train to Grand Coulee

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

    • The official opening of the contractor’s railroad was on July 29, 1935. Much of the work had been completed several months earlier. Governor Clarence D. Martin was the official engineer for the first official trip.
    • Hubert Blonk
    • Spray Nozzles

    • Spray Nozzles

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

    • Spray nozzles for use curing concrete in 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 -- Design and construction.

    • Coffer dam construction at Grand Coulee Dam.
    • 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;Cofferdams -- Design and construction.

    • The preparation of the southern end of the dam site has had most of the loose rock removed, and the coffer dam complete. The work of removing soil and loose rock on the north end of the dam was still under way.
    • Hubert Blonk
    • Office Scene – Coulee Dam

    • Office Scene – Coulee Dam

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

    • Unidentified man, girl, woman – in office at Coulee Dam. Prints of construction photographs on wall at right side of photo.
    • Hubert Blonk
    • “Men Of Steel”

    • “Men Of Steel”

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

    • Workers assembling steel rebar (reinforcing bar) for a concrete pier.
    • 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
    • Before the Dam

    • Before the Dam

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

    • Dam site before the start of construction of Grand Coulee Dam.
    • Hubert Blonk
    • “A Cut Down Version”

    • “A Cut Down Version”

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

    • Small version of the concrete buckets used during the construction of Grand Coulee Dam. The ones used on Grand Coulee Dam were larger, with a four cubic-yard capacity.
    • Hubert Blonk
    • Grand Coulee Dam

    • Grand Coulee Dam

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

    • Grand Coulee Dam under construction.
    • Hubert Blonk
    • Scaffolding

    • Scaffolding

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

    • Scaffolding used on the construction of Grand Coulee Dam.
    • Hubert Blonk
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