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1998
National Oceanic and Atmospheric Administration. NOAA's Estuarine Eutrophication Survey: Pacific Coast Region In NOAA's Estuarine Eutrophication Survey. Vol. 5. v.5 5. Silver Spring, MD: Office of Ocean Resources Conservation and Assessment, 1998.
1976
United States. Army. Engineer District Portland. Siletz Wetlands Review. Portland, Or.: U.S. Army Corps of Engineers. Portland District, 1976.

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