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2009
O'Connor, Jim E., Rose J. Wallick, Steven Sobieszczyk, Charles Cannon, and Scott W. Anderson. Preliminary assessment of vertical stability and gravel transport along the Umpqua River, southwestern Oregon In U.S. Geological Survey Open-File Report. Vol. no.2009-1010. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey,, 2009.
→ pubs.usgs.gov/of/2009/1010/ofr20091010.pdf
2004
Johnson, David R., John T. Haagen, and Alan C. Terrell. Soil Survey of Douglas County Area, Oregon. United States Department of Agriculture. Natural Resources Conservation Service, 2004.
→ permanent.access.gpo.gov/lps59612/or649_text.pdf
2000
U.S. Bureau of Land Management. Roseburg District Office. South River Watershed Restoration Environmental Assessment. Roseburg, Or., 2000.
→ scholarsbank.uoregon.edu/xmlui/handle/1794/7751
1998
Busby, Ed. "The Canyonville landslide of January 16, 1974, Douglas County: Oregon’s most deadly landslide." In Environmental, Groundwater and Engineering Geology: Applications from Oregon, edited by Scott Burns, p.391-398. Vol. no.11. Special publication / Association of Engineering Geologists no.11. Belmont, Ca. , 1998.
1995
Umpqua National Forest. Tiller Ranger District. Jackson Creek Watershed Analysis. Umpqua National Forest, 1995.
→ www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5351419.pdf
1984
Wiedemann, Alfred M.. The ecology of Pacific Northwest coastal sand dunes : a community profile In FWS/OBS. Vol. no.84/04., 1984.
→ tamug-ir.tdl.org/handle/1969.3/29012
1983
Seliskar, Denise M., John L. Gallagher, National Coastal Ecosystems Team(U.S.), U.S. Fish and Wildlife Service. Division of Biological Services, and University of Delaware. College of Marine Studies. The ecology of tidal marshes of the Pacific Northwest coast : a community profile In FWS/OBS. Vol. no.82/32. Washington, DC, 1983.
→ tinyurl.com/2vsbvs8c
1980
Johnson, Michael G., and Robert L. Beschta. "Logging, infiltration capacity, and surface erodibility in Western Oregon." Journal of Forestry. 78 (1980): p.334-337.
1975
Beaulieu, John D.. Environmental geology of Western Coos and Douglas Counties, Oregon In Bulletin (Oregon Dept. of Geology and Mineral Industries). Portland, Or.: Oregon Dept. of Geology and Mineral Industries, 1975.
→ www.oregongeology.org/pubs/B/B-087.pdf
Land and Water Use Plan for the Umpqua Estuary. Reedsport, Or.?: Umpqua Estuary Study Group?, 1975.
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
1962
Bullard, W. E.. "Estimating sediment production in a large watershed." Bulletin of the International Association of Scientific Hydrology = Bulletin de l'Association Internationale d'Hydrologie Scientifique 7 (1962): 40-45.