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1862
Anonymous. "From Umpqua." Weekly Oregonian (1862): p.2.
1954
Pitney, W. E., and W. O. Saltzman. "Umpqua River studies." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1954): 1-13.
1955
Pitney, W. E., and W. O. Saltzman. "Umpqua River studies." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1955): 1-20.
1971
Emmer, Rod E., and Keith W. Muckleston. A compilation of flood abatement projects in Oregon In WRRI (Series) . Vol. no. 11. Corvallis, Or.: Oregon State University. Water Resources Research Institute, 1971.
Oster, Eugene A.. Floods on selected reaches of Elk Creek, Douglas County, Oregon [cartographic material] In Hydrologic Atlas. Vol. no.388. Washington, D.C.: U.S. Geological Survey, 1971.
1972
Oster, E. A.. Flood Profiles in the Umpqua River Basin, Oregon In Open-file report (Geological Survey (U.S.)). Vol. pts.1-3. Portland, Or: Unite States Department of the Interior, Geological Survey, Water Resources Division, Oregon District,, 1972.
1979
Harris, David Dell, Larry L. Hubbard, and Lawrence E. Hubbard. Magnitude and frequency of floods in western Oregon In Open-File Report (Geological Survey (U.S.). Portland, Or.: Dept. of the Interior, Geological Survey, 1979.
1980
Rinella, Joseph F., F. J. Frank, and A. R. Leonard. Evaluation of water resources in the Reedsport area, Oregon In Open-File Report (Geological Survey (U.S.)). Vol. no.80-444. [Reston, Va.?]: U.S. Geological Survey, 1980.

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