'Completed in 1942, this dam contains about 12 million cubic yards of concrete'
Grand Coulee
WASHINGTON STATE: Completed in 1942, this dam contains about 12 million cubic yards of concrete
Completed in 1942, this dam contains about 12 million cubic yards of concrete
Completed in 1942, this dam contains about 12 million cubic yards of concrete
WASHINGTON STATE
Grand Coulee
WASHINGTON STATE