Browsing Water and Watersheds Initiative (1960-2005) by Subject "Phosphorus -- Environmental aspects -- Oregon -- Tualatin River Watershed"

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Estimated costs of reducing nonpoint phosphorus loads from agricultural land in the Tualatin Basin, Oregon

Cross, Timothy L.; Wood, Mary; Oregon State University. Water Resources Research Institute (Corvallis : Oregon Water Resources Research Institute, 1995-08)
Land use and nonpoint source phosphorus pollution in the Tualatin Basin, Oregon : a literature review

Oregon State University. Extension Service; Oregon State University. Water Resources Research Institute; Wolf, Donald W. (Oregon State University. Extension Service, 1992-06)