Columbia Basin Project -- Grand Coulee Dam (Washington) -- 1933-1983; Washington (State) -- Grand Coulee Dam -- History, 1933-1983; Grand Coulee Dam -- Washington (State)
The committee responsible for planning the 50th anniversary observance of completion of Grand Coulee Dam. Left to Right: Dick Ahrens, Spokane Chamber of Commerce; Mr. and Mrs. Wistar Burgess, Columbia Basin Development League; Mrs. Aherens;...
Concrete construction; Construction workers -- United States; Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
Two workmen appear to be pressure washing the top of a pour of concrete.
Concrete construction; Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction; Silos.
Cement storage silos and unloading platform at Grand Coulee. The cement was pumped from this location to the mixing house at the dam, a distance of over a mile.
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,...
Concrete construction; Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
Portions of the foundation level of Grand Coulee Dam have been poured, others remain to be poured. In the foreground, cooling coils are visible. These were required to maintain the desired temperature for optimum curing of the concrete.
Dams -- United States -- Design and construction; Construction workers -- United States.
Hard hat worn by construction workers on Grand Coulee Dam. Early version of hard hat was plastic resin impregnated fabric. This one was worn by project engineer Frank Banks.