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.
Wrecking; Kettle Falls site (Wash. : State); Franklin D. Roosevelt Lake (Wash.)
Demolition work at the old town of Kettle Falls. Homes were either moved, or demolished prior to inundation following the completion of Grand Coulee Dam.
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.
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.
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.
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.