Grand Coulee
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Grand Coulee is an ancient river bed in the U.S. state of Washington. This National Natural Landmark stretches for about 60 miles southwest from Grand Coulee Dam to Soap Lake, being bisected by Dry Fa
Grand Coulee, below Dry Falls. The layering effect of periodic basalt lava flows is visible.
Looking northward in Grand Coulee
Steamboat Rock in the Grand Coulee
Part of the Grand Coulee has been dammed and filled with water as part of the Columbia Basin Project.
Banks Lake
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Banks Lake is a 27-mile-long reservoir in central Washington in the United States.
Aerial photograph of Banks Lake, Grand Coulee Dam, and Franklin D. Roosevelt Lake taken in 1999 by Landsat