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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.
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.
1955
Pitney, W. E., and W. O. Saltzman. "Umpqua River studies." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1955): 1-20.
1954
Pitney, W. E., and W. O. Saltzman. "Umpqua River studies." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1954): 1-13.
1862
Anonymous. "From Umpqua." Weekly Oregonian (1862): p.2.

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