Grand Coulee Dam the generators and also travel across the main dam span (otherwise closed to the public) as the formerly used glass elevator is indefinitely out of service. Folk singer Woody Guthrie wrote some of his most famous songs while working in the area in the 1940s. 1941 after a brief stay in Los Angeles, Guthrie and his family moved north to Oregon on the promise of a job. Gunther von Fritsch was directing a documentary about the Bonneville Power Administration's construction of the Grand Coulee Dam on the Columbia River, and needed a narrator. Alan Lomax had recommended Guthrie to narrate
Columbia River known as the Grand Coulee. After the floods, the river found its present course, and the Grand Coulee was left dry. The construction of the Grand Coulee Dam in the mid-20th century impounded the river, forming Lake Roosevelt, from which water was pumped into the dry coulee, forming the reservoir of Banks Lake. The river flows past The Gorge Amphitheatre, a prominent concert venue in the Northwest, then through Priest Rapids Dam, and then through the Hanford Nuclear Reservation. Entirely within the reservation is Hanford Reach, the only US stretch of the river that is completely free-flowing, unimpeded by dams