Search Results for the EPA National Library Catalog

Items Found: 239
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Mississippi river water quality and interstate collaboration : summary of a workshop / 2014
Mississippi river water quality and the Clean Water Act : progress, challenges, and opportunities / 2008
Modeling framework for evaluating agricultural erosion impacts in Saginaw Bay : a progress report / 1986
Monitoring nutrients in the major rivers draining to Chesapeake Bay / 1999
National lake survey program : highlights. 1974
Neuse River Estuary Modeling and Monitoring Project stage 1 : hydrography and circulation, water column nutrients and productivity, sedimentary processes and benthic-pelagic coupling, and benthic ecology / 2000
Nitrate and pesticides in ground water of the eastern San Joaquin Valley, California : occurrence and trends / 1998
Nitrogen cycling in the Americas : natural and anthropogenic influences and controls / 2006
Non-point source studies on Chesapeake Bay. II. Nutrients in land runoff from Rhode River watersheds in 1975 and 1976 / 1977
Northeast Indiana Conservation Tillage Demonstration Project : 1984 report. 1984
Nutrient and chlorophyll relations in selected streams of the New England Coastal Basins in Massachusetts and New Hampshire, June-September 2001 2003
Nutrient and sediment concentrations, trends, and loads from five subwatersheds in the Patuxent River basin, Maryland, 1986-96 / 1999
Nutrient and trace-element enrichment of Coeur d'Alene Lake, Idaho 1996
Nutrient and triazine-herbicide concentrations in streams of the Chickies Creek Basin, south-central Pennsylvania, during low-flow conditions 1996
Nutrient budgets for the inland bays 1986
Nutrient concentrations and their relations to the biotic integrity of nonwadeable rivers in Wisconsin / 2008
Nutrient concentrations and their relations to the biotic integrity of wadeable streams in Wisconsin / 2006
Nutrient concentrations, loads, and yields in the Eucha-Spavinaw basin, Arkansas and Oklahoma, 2002-09 / 2010
Nutrient concentrations, loads, and yields in the Eucha-Spavinaw Basin, Arkansas and Oklahoma, 2002-2004 / 2006
Nutrient concentrations, loads, and yields in the Eucha-Spavinaw basin, Arkansas and Oklahoma, 2002-2006 / 2008
Nutrient control actions for improving water quality in the Mississippi River basin and northern Gulf of Mexico / 2009
Nutrient criteria technical guidance manual : estuarine and coastal marine waters. 2001
Nutrient criteria technical guidance manual : estuarine and coastal marine waters. 2001
Nutrient criteria technical guidance manual : lakes and reservoirs / 2000
Nutrient criteria technical guidance manual : rivers and streams / 2000
Nutrient criteria technical guidance manual : wetlands. 2008
Nutrient criteria technical guidance manual estuarine and coastal marine waters. [electronic resource] : 2001
Nutrient criteria technical guidance manual estuarine and coastal marine waters. {microform} : 2001
Nutrient criteria technical guidance manual lakes and reservoirs / {computer file} : 2000
Nutrient data on sediment samples of the Potomac estuary 1969
Nutrient inactivation by large scale aluminum sulfate treatment / 1977
Nutrient loading and selected water-quality and biological characteristics of Dickinson Bayou near Houston, Texas, 1995-97 / 1998
Nutrient loading from conventional and innovative site development : final report / 1998
Nutrient loading status of the Conestoga River basin, 1985-1989 / 1991
Nutrient loading to Lewisville Lake, north-central Texas, 1984-87 / 1995
Nutrient management : a summary of state and provincial programs in the Great Lakes - St. Lawrence River region / 2012
Nutrient overloading : a national water quality issue as reported by the Nation's Estuary Programs. 1997
Nutrient pollution : EPA needs to work with states to develop strategies for monitoring the impact of state activities on the Gulf of Mexico hypoxic zone / 2014
Nutrient pollution in coastal waters : priority topics for an integrated national research program for the United States / 2003
Nutrient reduction cost-effectiveness analyses : 1996 update / 1998
Nutrient reduction cost-effectiveness analyses : component 2, nutrient reduction strategy ; final report / 1995
Nutrient sources and loads in the Connecticut, Housatonic, and Thames River basins 2000
Nutrient subsidy in alpine lake ecosystems by volcanic ash import 1980
Nutrient transport and dissolved oxygen budget studies in the Potomac Estuary / 1972
Nutrients in natural waters, 1972
Nutrients in the nation's streams and groundwater, 1992-2004 / 2010
Nutrients in the nation's waters : identifying problems and progress : a National Water-Quality Assessment of nutrients / 1996
Nutrients in the nation's waters : too much of a good thing? / 1996
Occurrence and distribution of nutrients, suspended sediment, and pesticides in the Mobile River Basin, Alabama, Georgia, Mississippi, and Tennessee, 1999-2001 / 2003
Occurrence of nitrate and pesticides in ground water beneath three agricultural land-use settings in the eastern San Joaquin Valley, California, 1993-1995 / 1998
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