Grand Coulee Dam via the Pump-Generating Plant's diameter pipes from Lake Roosevelt to a feeder canal. From the feeder canal, the water is transferred to Banks Lake which has an active storage of . The plant's twelve 65,000–70,000 horsepower pumps can transfer up to to the lake. Currently, the Columbia Basin Project irrigates with a potential for . Over 60 different crops are grown within the project and distributed throughout the United States. Grand Coulee Dam supports four different power houses containing 33 hydroelectric generators. The original Left and Right Powerhouses contain 18 main generators and the Left has an additional three service
Grand Coulee Dam (song) the recommendation of Alan Lomax, the BPA hired Guthrie to write a set of propaganda songs about the federal projects to gain support for federal regulation of hydroelectricity. Although the intended documentary film was not completed until 1949, Guthrie's songs were recorded in Portland, Oregon in May 1941. The tune for "Grand Coulee Dam" is based on that of the traditional song, "The Wabash Cannonball". Guthrie's recording was reissued on the Folkways album "Bound For Glory" in 1956, and subsequently on numerous compilations of Guthrie's songs. The song was later recorded by British skiffle musician Lonnie Donegan, whose version entered