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1. |
Record Nr. |
UNINA9910702448803321 |
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Autore |
Sprague Lori A. |
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Titolo |
Estimation of anthropogenic nitrogen and phosphorus inputs to the land surface of the conterminous United States--1992,1997, and 2002 / / by Lori A. Sprague and Jo Ann M. Gronberg |
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Pubbl/distr/stampa |
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Reston, Virginia : , : U.S. Department of the Interior, U.S. Geological Survey, , 2013 |
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Descrizione fisica |
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1 online resource (iv, 14 pages) : color illustrations |
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Collana |
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Scientific investigations report ; ; 2013-5241 |
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Soggetti |
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Nature - Effect of human beings on - United States |
Soils - Nitrogen content - United States |
Water - Nitrogen content - United States |
Soils - Phosphorus content - United States |
Water - Phosphorus content - 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 Feb. 11, 2013). |
"National Water-Quality Assessment Program." |
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Nota di bibliografia |
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Includes bibliographical references (pages 12-14). |
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2. |
Record Nr. |
UNINA9910715373403321 |
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Autore |
Naftz David L. |
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Titolo |
Geochemistry of batch-extract waters derived from spoil material collected at the Cordero coal mine, Powder River basin, Wyoming / / by David L. Naftz ; prepared in cooperation with the U.S. Bureau of Land Management |
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Pubbl/distr/stampa |
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Cheyenne, Wyoming : , : U.S. Geological Survey, , 1990 |
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Descrizione fisica |
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1 online resource (vi, 58 pages) : illustrations, maps |
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Collana |
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Water-resources investigations report ; ; 87-4200 |
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Soggetti |
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Geochemistry - Powder River Watershed (Wyo. and Mont.) |
Groundwater - Pollution - Powder River Watershed (Wyo. and Mont.) |
Water quality - Powder River Watershed (Wyo. and Mont.) |
Acid mine drainage - Environmental aspects - Powder River Watershed (Wyo. and Mont.) |
Acid mine drainage - Environmental aspects |
Geochemistry |
Groundwater - Pollution |
Water quality |
United States Powder River Watershed |
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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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Nota di bibliografia |
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Includes bibliographical references (pages 56-58). |
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