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1949
Newcomb, H. R.. "Upper Umpqua River Investigations." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1949): p.5-14.
→ ir.library.oregonstate.edu/concern/technical_reports/c247dx600
1954
Pitney, W. E., and W. O. Saltzman. "Umpqua River studies." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1954): 1-13.
→ ir.library.oregonstate.edu/concern/technical_reports/cj82kc79z
1955
Pitney, W. E., and W. O. Saltzman. "Umpqua River studies." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1955): 1-20.
→ ir.library.oregonstate.edu/concern/technical_reports/bg257f83v
1958
Umpqua River Basin.. Salem, Or.: Oregon State Water Resources Board, 1958.
→ ir.library.oregonstate.edu/concern/defaults/vm40xw57p
1968
Douglas County(Or.). Planning Commission. The Character of Douglas County. Roseburg, Or.: Douglas County Planning Commission,, 1968.
→ cdm16085.contentdm.oclc.org/digital/collection/p16085coll23/id/29659/rec/23
1971
Umpqua River Gravel Study. Eugene, Or., 1971.
1972
Ramp, Len. Geology & mineral resources of Douglas County, Oregon In Bulletin (Oregon. Dept. of Geology and Mineral Industries) . Portland, Or.: Oregon Dept. of Geology and Mineral Industries, 1972.
→ www.oregongeology.org/pubs/B/B-075.pdf
1975
Umpqua Estuary Study Group. Umpqua Estuary Plan: Discussion Draft. [Reedsport, Or.?]: [Umpqua Estuary Study Group?], 1975.
1977
Brauner, David Ray, and William D. Honey. Cultural Resource Evaluation of the Steamboat Creek Drainage, Douglas County, Oregon. Corvallis, Or. : Oregon State University. Dept. of Anthropology, , 1977.
1981
Fifarek, Richard H.. Geology and Mineralization of the Banfield and Rowley Volcanogenic Massive Sulfide Deposits, Douglas Co., Oregon. M.S. ed. Corvallis, Or.: Oregon State University, 1981.
→ ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/rj430709m
1985
Bottom, D. L., P. J. Howell, and J. D. Rodgers. The Effects of Stream Alterations on Salmon and Trout Habitat in Oregon. Portland, Or.: Oregon Department of Fish and Wildlife, 1985.
→ ir.library.oregonstate.edu/concern/technical_reports/r494vk98q
Umpqua Regional Council of Governments. South Umpqua River Basin Water Quality Management Plan. Roseburg, Or.: The Council, 1985.
1994
Cramer, Steven P., and Erick S. Van Dyke. The Status of Coastal Steelhead in Oregon in Regards to the Endangered Species Act. Gresham, Or.: S.P. Cramer & Associates, 1994.
Cramer, Steven P.. Status of Oregon's Coastal Coho and Measures for Population Rebuilding : Final Report. Gresham, Or.: S.P. Cramer & Associates, Inc., 1994.
1995
Palmisano, John F.. Oregon's Umpqua sea-run cutthroat trout: review of natural and human-cuased factors of decline In Sea-Run Cutthroat Trout: Biology, Management, and Future Conservation: Proceedings of a Symposium, Edited by J. D. Hall, P. A. Bisson and R. E. Gresswell. Reedsport, Or.: Oregon Chapter of the American Fisheries Society, 1995.
1997
Robbins, William G.. Landscapes of Promise: the Oregon Story, 1800-1940. Seattle, Wa.: University of Washington Press, 1997.
U.S. Forest Service. Pacific Northwest Region. Stewart Mining Operation: Final Environmental Impact Statement . Portland, Oregon: USDA Forest Service, Umpqua National Forest, Pacific Northwest Region, 1997.
1999
Pacific Fishery Management Council. Identification and Description of Essential Fish Habitat, Adverse Impacts, and Recommended Conservation Measures for Salmon. Amendment 14 to the Pacific Coast Salmon Plan. Portland, Or. : Pacific Fishery Management Council, 1999.
Hinkle, Stephen R.. Inorganic chemistry of water and bed sediment in selected tributaries of the South Umpqua River, Oregon, 1998 In Water-Resources Investigations Report. Portland, Or.: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.
→ ir.library.oregonstate.edu/concern/defaults/37720h957
Taylor, III, Joseph E.. Making Salmon: an Environmental History of the Northwest Fisheries Crisis. Seattle: University of Washington Press, 1999.
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.
→ docs.streamnetlibrary.org/StreamNet_References/ORsn52241.pdf
2001
Whiting, Allan. Sutherlin Creek Watershed Assessment. [Salem, Or.?]: Dept. of Environmental Quality, 2001.
2002
Kincaid, Heidi. Middle Cow Creek Watershed Assessment and Action Plan. Roseburg, Or.: Umpqua Basin Watershed Council, 2002.
→ ir.library.oregonstate.edu/concern/defaults/vq27zt58p
2003
Geyer, Nancy A.. Calapooya Creek Watershed Assessment and Action Plan. Umpqua Basin Watershed Council, 2003.
→ ir.library.oregonstate.edu/concern/defaults/c821gq51h
Geyer, Nancy A.. Lower Cow Creek Watershed Assessment and Action Plan. Roseburg, Or.: Umpqua Basin Watershed Council, 2003.
→ ir.library.oregonstate.edu/concern/defaults/b5644x34z

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