The largest electric power-producing facility and the largest concrete structure in the United States, Franklin Delano Roosevelt Lake was created by the construction of what dam?
Grand Coulee dam Grand Coulee Dam, Washington Environmental impact of the Grand Coulee Dam Grand Coolee Dam Grand Coulee Dam Grand Cooley Dam Grand Coolie Dam Coulee dam Coulee Dam
grand coulee dam coulee dam grand coolie dam grand coolee dam environmental impact of grand coulee dam grand coulee dam washington grand cooley dam
grand coulee dam
WikipediaEntity
Grand Coulee Dam