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1954
Oregon Fish Commission. Shellfish Program. "Bay clams: A. Umpqua." Shellfish Investigation Progress Report, no. 30 (1954): 7 p.
1958
Burt, Wayne V., and Bruce W. McAlister. Hydrography of Oregon estuaries : June 1956 to September 1958 In Data Report (Oregon State College. School of Science). Corvallis, Or.: School of Science, Oregon State College, 1958.
1966
Bauer, Jerry A.. Returns of Umpqua River spring Chinook and summer steelhead In Proceedings of the Seventeenth Annual Northwest Fish Culture Conference. 1966 ed. Proceedings of the ... annual Northwest Fish Culture Conference. Portland, Or., 1966.
Columbia Basin Inter-Agency Committee. Hydrology Subcommittee. River Mile Index, Umpqua River and Tributaries in Oregon. Columbia Basin Inter-Agency Committee, Hydrology Subcommittee, 1966.
Pearson, H. F.. "The silver horde of the Umpqua. (pt.1)." Umpqua Trapper. 2 (1966): P.7-10.
Pearson, H. F.. "The silver horde of the Umpqua. (pt.2)." Umpqua Trapper. 2 (1966): p.12-15.
1967
Bauer, Jerry A.. Umpqua River research, Winchester segment 1965-1966 In Habitat Improvement Project (Oregon. State Game Commission. Fishery Division). Oregon State Game Commission, Fishery Division, 1967.

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