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Wolken, Karin M.. Analysis of Fire Severity in Southwestern Oregon Using Aerial LiDAR. M.S. ed. Corvallis, Or.: Oregon State University, 2019.
Witt, Joseph W.. "Long-term population monitoring of osprey along the Umpqua River in Western Oregon." Journal of Raptor Research 3 (1996): p.62-69.
Wise, Daniel R., Jim O'Connor, and U.S. Geological Survey. A spatially explicit suspended-sediment load model for western Oregon In U.S. Geological Survey Scientific Investigations Report . Vol. no.2016-5079., 2016.
Winthrop, Kathryn R.. Prehistoric Settlement Patterns in Southwest Oregon. Ph. D. ed. Eugene, Or.: University of Oregon, 1993.
Winn, Lisa A.. Rock Creek Region Assessment and Action Plan. [Roseburg, Or.?]: Umpqua Basin Watershed Council, 2006.
Williams, Ronald H.. Evaluation of the Impact of Operation of the Winchester Hydroelectric Project on Salmonids of the North Umpqua River, Oregon. Portland, Or.: Oregon Dept. of Fish and Wildlife, 1985.
Williams, Gerald W.. Booth Bridge overlooking dam and powerhouse [archival photograph] In Gerald W. Williams Collection., 1930.
Williams, Gerald W.. Mott Bridge Crossing the North Umpqua River at Steamboat [archival photograph] In Gerald W. Williams Collection., 1936.
Williams, Gerald W.. Roseburg Dam and Bridge [archival photograph] In Gerald W. Williams Collection., 1910.
Whiting, Allan. Sutherlin Creek Watershed Assessment. [Salem, Or.?]: Dept. of Environmental Quality, 2001.
Wellman, Roy E., Janice M. Gordon, and Robert L. Moffatt. Statistical summaries of streamflow data in Oregon: volume 2, annual low and high flow, and instantaneous peak flow In Open-File Report / U.S. Geological Survey. Portland, Or.: U.S. Geological Survey, 1993.
Watershed Sciences LLC. Aerial Surveys in the Umpqua River Basin: Thermal Infrared and Color Videography. Corvallis, Or.: Watershed Sciences, LLC, 2003.
Waters, Elijah. Winter Habitat Utilization of Radio-Tagged Coastal Cutthroat Trout. M.S. ed. Raleigh, N.C.: North Carolina State University, 1993.
Wainwright, Thomas C., Mark W. Chilcote, Peter W. Lawson, Thomas E. Nickelson, Charles W. Huntington, Justin S. Mills, Kelly M. S. Moore, Gordon H. Reeves, Heather A. Stout, and Laurie A. Weitkamp. Biological recovery criteria for the Oregon Coast coho salmon evolutionarily significant unit In NOAA Technical Memorandum NMFS-NWFSC. [Seattle, Wa.]: U.S. Dept. of Commerce, National Marine Fisheries Service, Northwest Fisheries Science Center, 2008.
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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.
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.
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.
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. Geological Survey. Plan and profile of Umpqua River above Scottsburg, Oregon, North Umpqua River and tributaries [cartographic material]., 1926.
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. 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. 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.

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