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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. Preliminary examination of Umpqua River, Oregon In House Document. Washington, D.C.: U.S. Government Printing Office, 1903.
U.S. House of Representatives. Umpqua River, Oreg. Letter from the Secretary of War, transmitting, with a letter from the chief of engineers, report on preliminary examination of Umpqua River, Oreg., from Scottsburg to Roseburg, Oreg. In House Document. Vol. 62nd Congress, 2nd session, no.276. Examination of Umpqua River, Oreg. 62nd Congress, 2nd session, no.276. Washington, D.C.: U.S. Government Printing Office, 1911.
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, 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. 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.
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. Committee on Rivers and Harbors. Umpqua River, Bar and Entrance, Oregon : Hearings before the United States House Committee on Rivers and Harbors, Sixty-Sixth Congress, Second Session, on Dec. 18, 1919. Washington, D.C.: U.S. G.P.O., 1919.
U.S. House of Representatives. Committee on Rivers and Harbors. Umpqua River and entrance, Oreg. Letter from the Secretary of War, transmitting report from the Chief of Engineers on examination of Umpqua River and entrance, Oreg. In 70th Congress, 1st Session, House Document . Vol. no.317. Washington, D.C.: G.P.O., 1928.
U.S. House of Representatives. Committee on Rivers and Harbors. Umpqua River Bar and Entrance, Oregon: Hearings on the Subject of the Improvement of Umpqua River Bar and Entrance, Oregon, Held before the Committee on Rivers and Harbors, House of Representatives, Sixty-seventh Congress, Second Session. Washington, D.C.: U.S. G. P. O.., 1922.
U.S. National Dam Safety Program, Oregon. Water Resources Dept., and U.S. Army Corps of Engineers. Portland District. Umpqua River Basin, Bear Creek Dam, Douglas County, Oregon, Or 00614: Phase I Inspection Report, National Dam Safety Program. [Salem, Or.?]: Oregon Water Resources Department, 1980.
U.S. National Dam Safety Program, Oregon. Water Resources Dept., and U.S. Army Corps of Engineers. Portland District. Umpqua River Basin, Berry Creek Dam, Douglas County, Oregon, Or 00640: Phase I Inspection Report, National Dam Safety Program. [Salem, Or.?]: Oregon Water Resources Department, 1981.
U.S. National Marine Fisheries Service. Recovery Plan for Oregon Coast Coho Salmon Evolutionarily Significant Unit. National Marine Fisheries Service, West Coast Region, Portland, Oregon. Portland, Or., 2016.
U.S. National Marine Fisheries Service. Final ESA Recovery Plan for Oregon Coast Coho Salmon (Oncorhynchus kisutch) . Portland, Or.: National Marine Fisheries Service. West Coast Region, 2016.
U.S. National Marine Fisheries Service.. Recovery Plan for the Southern Distinct Population Segment of North American Green Sturgeon (Acipenser medirostris). Sacramento, Calif.: National Marine Fisheries Service, 2018.
U.S. Natural Resources Conservation Service, and National Water and Climate Center(U.S.). Stream visual assessment protocol In National Water and Climate Center Technical Note. [Washington, D.C.?]: U.S. Dept. of Agriculture, Natural Resources Conservation Service, 1998.
Green Sturgeon (Acipenser medirostris) Status Review Update. Santa Cruz, Ca.: National Marine Fisheries Service, 2005.
U.S. Ocean Assessments Division. Strategic Assessment Branch, U.S. National Ocean Service, and U.S. National Oceanic and Atmospheric Administration. "Coos Bay - Winchester Bay OR." In National Estuarine Inventory. Data atlas. Volume. 4. Public recreation facilities in coastal areas, p.126-127., 1988.
U.S. Ocean Assessments Division. Strategic Assessment Branch, U.S. National Ocean Service, and U.S. National Oceanic and Atmospheric Administration. "Winchester Bay OR." In National Estuarine Inventory. Data Atlas. Volume 1 : Physical and Hydrologic Characteristics, p.4.10. Vol. 1. [Rockville, Md.]: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, 1985.
U.S. Senate. Report on reexamination of Umpqua River and Harbor, Oreg. In 76th Congress, 1st Session, Senate Document ., 1939.
U.S. Senate. Letter from the Secretary of War, transmitting reports of Maj. G.L. Gillespie, Corps of Engineers, of surveys of Cowlitz River, Washington Territory, and Umpqua River and Alsea harbor and bar, Oregon; also survey of bar at mouth of Columbia River In Senate Executive Document. Vol. 46th Congress, 2nd session, no.34., 1879.
U.S. Senate. Authorizing preliminary examination of Umpqua River, Oreg., with view to control of floods In 74th Congress, 1st Session, Senate Report., 1935.
U.S. Senate. Umpqua Harbor and River, Oreg. Letter from the Secretary of War Transmitting to the Chairman of the Committee on Commerce United States Senate ... Report on the Umpqua Harbor, Oreg., with a View to the Improvement of Winchester Bay, Oreg. In 77th Congress, 2nd session, Senate Document ., 1942.
U.S. Senate. Resolution of legislative assembly of Oregon for increase of mail service between New York, New Orleans, San Francisco, Umpqua Harbor, and Astoria, Oregon Territory., 1853.
U.S. Senate. Umpqua Harbor and River, Oreg. Letter from the Secretary of War to the Chaiman of the Committee on Commerce, United States Senate in response to a resolution of the Committee: A report of the Chief of Engineers, United States Army, on reexaminaton . . . In 75th Congress, 3rd Session, Senate Document., 1938.

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