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U. S. Forest Service. North Umpqua Ranger District, and Umpqua National Forest. Middle North Umpqua Watershed Analysis: Version 1.0. [Roseburg, Or.]: Umpqua National Forest, North Umpqua Ranger District, 2001.
U. S. Forest Service. North Umpqua Ranger District, and Umpqua National Forest. Middle/Lower Steamboat Creek Watershed Analysis: Version 1.0. [Roseburg, Or.]: Umpqua National Forest, North Umpqua Ranger District, 1999.
U. S. Forest Service. North Umpqua Ranger District, and Umpqua National Forest. Steamboat Creek Watershed Restoration Project Environmental Assessment. [Roseburg, Or.]: Umpqua National Forest, North Umpqua Ranger District, 2005.
Coastal and Marine Ecological Classification Standard. Vol. FGDC-STD-018-2012. Washington, D.C., 2012.
Umpqua River Jetty Extension: Environmental Impact Statement., 1979.
U.S. Army Corps of Engineers, Portland District, Earth Sciences Associates, and Geo Recon International. Geologic and Seismic Investigations of Oregon Offshore Dredge Disposal Sites. Portland, Or.: U.S. Army Corps of Engineers, Portland District, 1986.
U.S. Army Corps of Engineers, Portland District. National Shoreline Study. Inventory Report Columbia-North Pacific Region. Washington and Oregon. Portland, OR: United States, Department of Defense, Department of the Army, Corps of Engineers, North Pacific Division, 1971.
U.S. Army Corps of Engineers, Portland District. Annual report upon the improvement of the mouth of the Columbia River, Oregon and Washington Territory; of the entrances to Coos and Yaquina Bays; of mouth of Coquille River and of Umpqua River, Oregon, and of certain rivers emptying into Puget Sound.... Washington, D.C.: U.S. G.P.O., 1886.
U.S. Army Corps of Engineers. Committee on Tidal Hydraulics. Umpqua River Entrance, Oregon. Vicksburg, Miss.: U.S. Army Corps of Engineers, 1975.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1987.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1971.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1963.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1986.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1989.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1979.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1973.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water resources development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1961.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1969.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1977.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water resources development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States, Army Corps of Engineers, 1955.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1975.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1965.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1967.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water resources development by the U.S. Army Corps of Engineers in Oregon. Portland, OR: United States Army Corps of Engineers, 1959.
U.S. Army Corps of Engineers. North Pacific Division. Water resources development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, North Pacific Division, 1957.

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