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]
|
| 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
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| 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 |
| Formato: | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione: | Inglese |
| Record Nr.: | 9910701211103321 |
| Lo trovi qui: | Univ. Federico II |
| Opac: | Controlla la disponibilità qui |