Search Results for the EPA National Library Catalog

Items Found: 5

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Your Search: (SUBJECT=Water Nitrogen content United States.)

 
 
 

Select Item Title Year Published
Coastal communications : Development of nitrogen loading-response models for Northeast U.S. estuaries. 2002
National lake survey program : highlights. 1974
Nonpoint and point sources of nitrogen in major watersheds of the United States / 1994
Nonpoint and point sources of nitrogen in major watersheds of the United States : introduction / 1994
Nutrients in the nation's streams and groundwater, 1992-2004 / 2010

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