Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction;Cofferdams -- Design and 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.
Dams -- Montana; Dam construction -- Montana; Hungry Horse Dam
Hungry Horse Dam is on the South Fork of the Flathead River in Montana. The dam was built as part of the Hungry Horse Project to provide hydroelectric power and flood control. At 564 feet, the dam is the 10th highest in the U.S.
Dams -- Montana; Dam construction -- Montana; Hungry Horse Dam
Photograph of construction workers pouring cement at the Hungry Horse Dam construction. The dam was built as part of the Hungry Horse Project to provide hydroelectric power and flood control. At 564 feet, the dam is the 10th highest in the U.S....
Dams -- Montana; Dam construction -- Montana; Hungry Horse Dam
Photograph of construction workers sand blasting at the construction of the Hungry Horse Dam. The dam was built as part of the Hungry Horse Project to provide hydroelectric power and flood control. At 564 feet, the dam is the 10th highest in the...
Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
Shows construction method for the lower portion of the dam. Alternating blocks were constructed. The Columbia River was forced through slots by placement of temporary gates on the upstream side of the dam.
Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
The initial level of concrete has been poured across the entire distance of the bottom of the dam. The Columbia is flowing over the central portion of the dam.
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.
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.