Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria ... : rivers and streams in nutrient ecoregion I : Willamette and Central Valleys including all or parts of the states of Washington, Oregon and California and the authorized Tribes within the region. 2001
Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria ... : rivers and streams in nutrient ecoregion I : Willamette and Central Valleys including all or parts of the states of Washington, Oregon and California and the authorized Tribes within the region. 2002
Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria : lakes and reservoirs in nutrient ecoregion II, western forested mountains including the states of: Washington, Oregon, California, Idaho, Montana, Wyoming, Utah, Colorado, South Dakota, New Mexico, Arizona, Texas and the authorized Tribes with in the ecoregion / 2000
Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for lakes and reservoirs in nutrient ecoregion III : xeric west including all or parts of the states of : Washington, Oregon, California, Nevada, Idaho, Wyoming, Montana, Utah, Colorado, New Mexico, Arizona, and Texas, and the authorized Tribes within the ecoregion. 2001
Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion II : Western forested mountains including all or parts of the states of Washington, Oregon, California, Idaho, Montana, Wyoming, Utah, Colorado, South Dakota, New Mexico, Arizona and the authorized Tribes within the region / 2000
Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion III : xeric west including all or parts of the states of : Washington, Oregon, California, Nevada, Idaho, Wyoming, Montana, Utah, Colorado, New Mexico, Arizona, Texas, and the authorized Tribes within the ecoregion. 2000
Environmental characteristics and water quality of hydrologic benchmark network stations in the west-central United States, 1963-95 2000
Environmental characteristics and water quality of hydrologic benchmark network stations in the western United States, 1963-95 / 2000
Great Basin/desert and montane regional wetland functions : proceedings of a workshop held at Logan, Utah, February 27-28, 1986 / 1990
Industry, state, and federal programs designed to assess and protect water quality associated with managed western forests. 1985
Monitoring protocols to evaluate water quality effects of grazing management on western rangeland streams / 1993
Quality of surface waters of the United States, 1952 Colorado River Basin to Pacific slope basins in Oregon and lower Columbia River Basin / 1957
Quality of surface waters of the United States, 1954; Parts 9-14, Colorado River basin to Pacific slope basins in Oregon and lower Columbia river basin / 1959
Quality of surface waters of the United States, 1958 Colorado River Basin to Pacific Slope Basins in Oregon and Lower Columbia River Basin / 1964
Quality of surface waters of the United States, 1960. Parts 9-14, Colorado River basin to pacific slope basins in Oregon and lower Columbia river basin / 1968
Quality of surface waters of the United States, 1963 Colorado River Basin to Pacific slope basins in Oregon and lower Columbia River Basin / 1966
Relevance of ambient water quality criteria for ephemeral and effluent-dependent watercourses of the arid western United States / 2008
Report on the relative toxicities and dispersing-evaluations of eleven oil-dispersing products 1969
Total alkalinity of surface waters : a map of the western region / 1986
Water in 2025 : beliefs and values as a means for cooperation / 2006
Water quality in the West 1998
Western lake survey, phase I : data base. 1987

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