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1956
Pitney, W. E., and W. O. Saltzman. "Umpqua River." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1956): p.1-18.
U.S. Bureau of Reclamation. Umpqua River Basin, Oregon; Special Report (Evaluation). Boise, ID: U.S. Dept. of the Interior, Bureau of Reclamation, 1956.
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.
1953
Pitney, W. E., and W. O. Saltzman. "Umpqua River studies." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1953): p.1-11.
1952
Grenfell, R. A.. "Umpqua River investigations." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1952): p.1-7.
1951
Grenfell, R. A.. "Umpqua River investigations." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1951): 1-13.
1950
Pitney, W. E.. "Umpqua River investigations." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1950): p.6-17.
1949
Newcomb, H. R.. "Upper Umpqua River Investigations." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1949): p.5-14.

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