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Nitrate loads and concentrations in surface-water base flow and shallow groundwater for selected basins in the United States, water years 1990-2006 [[electronic resource] /] / by Norman E. Spahr ... [and others]



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Titolo: Nitrate loads and concentrations in surface-water base flow and shallow groundwater for selected basins in the United States, water years 1990-2006 [[electronic resource] /] / by Norman E. Spahr ... [and others] Visualizza cluster
Pubblicazione: Reston, Va. : , : U.S. Dept. of the Interior, U.S. Geological Survey, , 2010
Descrizione fisica: 1 online resource (vii, 39 pages) : color illustrations, color maps
Soggetto topico: Water - Nitrogen content - United States
Groundwater - Quality - United States
Nitrates - Environmental aspects - United States
Altri autori: SpahrNorman E  
Note generali: Title from title screen (viewed on Jan. 25, 2012).
"National Water-Quality Assessment Program."
Nota di bibliografia: Includes bibliographical references (pages 19-20).
Titolo autorizzato: Nitrate loads and concentrations in surface-water base flow and shallow groundwater for selected basins in the United States, water years 1990-2006  Visualizza cluster
Formato: Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione: Inglese
Record Nr.: 9910701211103321
Lo trovi qui: Univ. Federico II
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