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Ambient water quality criteria recommendations information supporting the development of state and t

Washington, DC : U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, [2001] 2001

Ambient water quality criteria recommendations information supporting the development of state and t

Washington, D.C. : U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, [2000] 2000

Organochlorine compounds and current-use pesticides in snow and lake sediment in Rocky Mountain Nati

Mast, M. Alisa.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006. 2006

National Irrigation Water Quality Program data-synthesis data base

Seiler, R. L.
Carson City, Nev. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001. 2001