U.S. House of Representatives. Umpqua River, bar and entrance, Oreg. Letter from the Secretary of War, transmitting, with a letter from the Chief of Engineers, reports on preliminary examination and survey of Umpqua River, bar and entrance, Oreg. In
House Document. Vol. 65th Congress, 2nd session, no.913. Examination and survey of Umpqua River, bar, and entrance, Oregon 65th Congress, 2nd session, no.913. Washington, D.C.: U.S. Government Printing Office, 1918.