U.S. House of Representatives. Umpqua River and Tributaries, Oregon. Letter from the Secretary of War Transmitting a Letter from the Chief of Engineers, United States Army, Dated March 19, 1940, Submitting a Report, Together with Accompanying Papers and an Illustration, on a . . . In 76th Congress, 3rd Session, House Document ., 1940.

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.

U.S. House of Representatives. Umpqua River bar, Oregon.  Letter from the Secretary of War, transmitting, with a letter from the acting chief of engineers, report on preliminary examination of Umpqua River bar, Oregon. In House Document. Vol. 61st Congress, 2nd session, no.811. Examination of bar at mouth of Umpqua River, Oreg. 61st Congress, 2nd session, no.811. Washington, D.C.: U.S. Government Printing Office, 1909.

U.S. House of Representatives. Preliminary examination of Umpqua River, Oregon In House Document. Washington, D.C.: U.S. Government Printing Office, 1903.

U.S. House of Representatives. Examination of Umpqua River, Oreg.. Vol. 55th Congress, 2nd session, House Document no.122., 1897.

U.S. House of Representatives. Preliminary examination of Umpqua River, Oregon. Letter from the Secretary of War, transmitting, with letter of the Chief of Engineers, report of a preliminary examination of Umpqua River, Oregon In Executive Document. Vol. 53rd Congress, 3rd Session, House Exec. Doc. no.229., 1894.

U.S. House of Representatives. Survey of Umpqua River, Oregon In 51st Congress, first session, House Executive Document no.199., 1889.

U.S. House of Representatives. Umpqua River. Memorial of the Legislative Assembly of the State of Oregon, Praying for An appropriation for the removal of obstructions to navigation of the Umpqua River In House Miscellaneous Documents., 1870.