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U
U.S. Army Corps of Engineers. Portland District. Winchester Bay (Salmon Harbor) Channel Improvements, Umpqua River, Oregon: Draft Detailed Project Report & Environmental Assessment. [Portland, Or.]: The District, 1982.
U.S. Army Corps of Engineers. Portland District. Postflood Report, January 1974 Flood in the Portland District, Oregon and Washington : Columbia River Basin, Willamette River Basin, Rogue River Basin, Umpqua River Basin, Coastal Rivers. [Portland, Or.]: The District, 1975.
U.S. Army Corps of Engineers. Portland District, and Mandaville Associates. "[Umpqua River section]." In Federal Navigation Projects: the Oregon Coast Maintenance Program, p.68-77. Portland, Or.: Portland District, U.S. Army Corps of Engineers, 1991.
U.S. Army Corps of Engineers. Portland District. Umpqua River Jetty Extension: Environmental Impact Statement . Washington, D.C.: U.S. Army Corps of Engineers Portland District, 1976.
U.S. Army Corps of Engineers. Portland District. Douglas County, Oregon, Flood Plain Information: Interim Report. Portland, Or.: The District, 1966.
U.S. Army Corps of Engineers. Portland District. Draft Environmental Impact Statement: the Siuslaw Estuary and the Umpqua Estuary, Including the Smith River. [Portland, Or.]: The District, 1975.
U.S. Army Corps of Engineers. Portland District. Water Resources Development in Oregon. Portland, Or.: United States Army Corps of Engineers, 1991.
U.S. Army Corps of Engineers. Portland District. Days Creek Lake, South Umpqua River, Oregon: Final Environmental Statement. Supplement. Portland, Or.: The District, 1976.
U.S. Army Corps of Engineers. Portland District, and Oregon Institute of Marine Biology. Umpqua Training Jetty Extension Monitoring Study: 1980 Preimpoundment Report. Portland, Or.: The District, 1981.
U.S. Army Corps of Engineers. Portland District, and U.S. Environmental Protection Agency. Region 10. Site Management and Monitoring Plan (SMMP) for the Umpqua River Ocean Dredged Material Disposal Sites, OR . Portland, Or.: U.S. Army Corps of Engineers, Portland District, 2009.
→ www.epa.gov/sites/default/files/2015-08/documents/r10-_umpqua_smmp_2009.pdf
U.S. Army Corps of Engineers. Portland District. The Siuslaw Estuary and the Umpqua Estuary, Including the Smith River: Final Environmental Impact Statement. Portland, Or.: U.S. Army Corps of Engineers, Portland District, 1975.
U.S. Army Corps of Engineers. Portland District. Western Oregon Streams: Report on Floods of December 1955. Portland, Or.: U.S. Army Corps of Engineers. Portland District,, 1956.
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.
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.

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