Lake Roosevelt National Recreation Area of Lake Roosevelt also falls under the jurisdiction of the National Recreation Area. Lake Roosevelt National Recreation Area Lake Roosevelt National Recreation Area is a U.S. National Recreation Area under the supervision of the National Park Service. It encompasses the long Franklin D. Roosevelt Lake between Grand Coulee Dam and Northport, Washington, in eastern Washington state. The Grand Coulee Dam was built on the Columbia River in 1941 as part of the Columbia River Basin project, named for President Franklin D. Roosevelt. Lake Roosevelt National Recreation Area provides opportunities for fishing, swimming, canoeing, boating, hunting, camping, and visiting historic Fort
Grand Coulee of Lower Grand Coulee. The Great Cataract forms the divide from the upper to lower coulees. The Lower Coulee tends along the monoclinal flexure to Soap Lake where the canyons end and the water flowed out into Quincy Basin. Quincy Basin is filled with the eroded gravels and silts from the Coulee. The Lower Coulee, also created its own path across the plains. Evidence of this is found in the tilted flows visible at Hogback islands in Lake Lenore and tilted flows along Washington 17 from Dry Falls to Park Lake. Numerous canyons acted as a distribution system for the