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Record Nr. |
UNINA9910701211103321 |
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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] |
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Pubbl/distr/stampa |
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Reston, Va. : , : U.S. Dept. of the Interior, U.S. Geological Survey, , 2010 |
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Descrizione fisica |
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1 online resource (vii, 39 pages) : color illustrations, color maps |
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Collana |
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Scientific investigations report ; ; 2010-5098 |
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Altri autori (Persone) |
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Soggetti |
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Water - Nitrogen content - United States |
Groundwater - Quality - United States |
Nitrates - Environmental aspects - United States |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from title screen (viewed on Jan. 25, 2012). |
"National Water-Quality Assessment Program." |
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Nota di bibliografia |
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Includes bibliographical references (pages 19-20). |
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