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Grand Coulee is an ancient river bed in the U.S. state of Washington. This National Natural Landmark [ 1 ] stretches for about 60 miles (100 km) southwest from Grand Coulee Dam to Soap Lake , being bisected by Dry Falls into the Upper and Lower Grand Coulee .
Grand Coulee is located at (47.939706, -119.001597 [ 4 ] According to the United States Census Bureau , the city has a total area of 1.29 square miles (3.34 km 2 ), of which, 1.19 square miles (3.08 km 2 ) is land and 0.10 square miles (0.26 km 2 ) is water.
Grand Coulee Dam is a concrete gravity dam on the Columbia River in the U.S. state of Washington, built to produce hydroelectric power and provide irrigation water. Constructed between 1933 and 1942, Grand Coulee originally had two powerhouses.
The dam at Grand Coulee would someday be mentioned with the Great Pyramids of Egypt, the Great Wall of China and the Panama Canal as one of humankind's greatest achievements. On June 18, 1934, the ...
The Grand Coulee Dam, powerplant, and various other parts of the CBP are operated by the Bureau of Reclamation. There are three irrigation districts (the Quincy-Columbia Basin Irrigation District, the East Columbia Basin Irrigation District, and the South Columbia Basin Irrigation District) in the project area, which operate additional local ...
Banks Lake is a 27-mile-long (43 km) reservoir in central Washington in the United States.. Part of the Columbia Basin Project, Banks Lake occupies the northern portion of the Grand Coulee, a formerly dry coulee near the Columbia River, formed by the Missoula Floods during the Pleistocene epoch.
State Route 155 is a state highway in the U.S. state of Washington, running from U.S. Route 2 near Coulee City over Disautel Pass to U.S. Route 97 and State Route 20 in the city of Omak. It is the main north–south route through the area around Grand Coulee Dam.
The largest dam in Washington, in terms of structural volume, reservoir capacity, and electricity production, is the Grand Coulee Dam on the Columbia River. It is the largest power station in the United States with a nameplate capacity of 6,809 megawatts and one of the largest concrete structures in the world. [ 3 ]