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United States. Environmental Protection Agency. Region X, and United States. Environmental Protection Agency. Region X. Office of Environmental Assessment. Ecological Condition of the Estuaries of Oregon and Washington. Vol. EPA-910-R-06-001. Seattle, Wash.: U.S. Environmental Protection Agency, Region 10, Office of Environmental Assessment, 2006.
United States. Environmental Protection Agency. Region X, and United States. Environmental Protection Agency. Region X. Office of Environmental Assessment. Ecological Condition of the Estuaries of Oregon and Washington. Vol. EPA-910-R-06-001. Seattle, Wash.: U.S. Environmental Protection Agency, Region 10, Office of Environmental Assessment, 2006.
Kunkel, Clair, Phil Janik, United States. Forest Service. Pacific Northwest Region., and Oregon. Siuslaw National Forest. An Economic Evaluation of Salmonid Fisheries Attributable to Siuslaw National Forest. Corvallis, Or.: United States Forest Service, Pacific Northwest Region, 1976.
Ditsworth, George R.. Environmental factors in coastal and estuarine waters In Bibliographic Series. Vol. 1., 1966.
Estuary management in the Pacific Northwest : an overview of programs and activities in Washington, Oregon, and Northern California In ORESU-H. Vol. no. 03-001. Corvallis, OR: Oregon State University, 2003.

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