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U. S. Bureau of Land Management. Mt. Scott Resource Area, U. S. Forest Service. North Umpqua Ranger District, and Umpqua National Forest. Little River Watershed Analysis. [Roseburg, Or.]: Umpqua National Forest, North Umpqua Ranger District, 1995.
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.
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. 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, 1973.
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. Western Oregon Streams: Report on Floods of December 1955. Portland, Or.: U.S. Army Corps of Engineers. Portland District,, 1956.
U.S. Bureau of Land Management. Roseburg District, and U.S. Forest Service. Umpqua National Forest. Little River Watershed TMDL. Appendix DEF: [TMDL Implementation Plan]., 2001.
U.S. Bureau of Land Management. Roseburg District, and U.S. Forest Service. Umpqua National Forest. Little River Watershed TMDL. Appendix C : Water Quality Restoration Plan : Umpqua Basin Little River Watershed., 2001.
U.S. Federal Emergency Management Agency.,. Flood Insurance Study: Douglas County, Oregon and Incorporated Areas. v.3 of 3., 2021.
U.S. Federal Emergency Management Agency.,. Flood Insurance Study: Douglas County, Oregon and Incorporated Areas. v.2 of 3., 2021.
U.S. Federal Energy Regulatory Commission. Office of Energy Projects. Final Environmental Impact Statement: North Umpqua Hydroelectric Project (no. 1927), Oregon. Washington, D.C.: Federal Energy Regulatory Commission, Office of Energy Projects, 2003.
U.S. Forest Service. Pacific Northwest Region. Wild and Scenic River Suitability Study for Steamboat Creek: Draft Legislative Environmental Impact Statement. Roseburg, Or.?: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region,, 1992.
U.S. Forest Service. Pacific Northwest Region, U.S. Bureau of Land Management. Roseburg District Office, and Oregon. State Parks and Recreation Dept.. North Umpqua Wild and Scenic River Environmental Assessment., 1992.
U.S. Forest Service. Pacific Northwest Region. North Umpqua River Management Plan [microform]. Portland, Or.?: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region?, 1992.
U.S. Geological Survey. Plan and profile of Umpqua River above Scottsburg, Oregon, North Umpqua River and tributaries [cartographic material]., 1926.
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. Soil Conservation Service, U.S. Forest Service, and North Douglas Soil and Water Conservation District. Watershed Work Plan, Sutherlin Creek Watershed, Douglas County, Oregon. [Portland?]: Soil Conservation Service, 1963.
Umpqua National Forest. Diamond Lake Ranger District. Final Environmental Impact Statement: Lemolo Watershed Projects, Diamond Lake Ranger District, Umpqua National Forest. [Idleyld Park, Or.] : [U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region], 2005.
Umpqua National Forest. Timber Planning Team, and U. S. Forest Service. North Umpqua Ranger District. Upper and Lower Steamboat Creek Watershed Analysis : Iteration 1.1. [Roseburg, Or.]: Umpqua National Forest, North Umpqua Ranger District, 2007.

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