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
Grand Coulee pumped from the Grand Coulee Dam, into Banks Lake to act as an Equalizing Reservoir and irrigation water source. Evidence of the waterfalls includes a plunge basin where the falls began, immediately south of Coulee City. It contains at least of gravel lower than the open flooring of the land. The river above the falls was shallow and much wider than the gorge. Thus, it wrapped around the lip of the main falls creating lateral falls. These flowed until the recession of the main falls denied them water. Northrup Canyon in Steamboat Rock State Park, contains a dry cataract as