Use of classes based on redox and groundwater age to characterize the susceptibility of principal aquifers to changes in nitrate concentrations, 1991 to 2010 /
| Main Author: | |
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| Format: | Government Document eBook |
| Language: | English |
| Published: |
Reston, Virginia :
U.S. Department of the Interior, U.S. Geological Survey,
2012.
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| Series: | Scientific investigations report ;
2012-5220. |
| Subjects: | |
| Online Access: | https://purl.fdlp.gov/GPO/gpo58813 |
| Item Description: | Title from title screen (viewed on July 2, 2015). |
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| Physical Description: | 1 online resource (51 unnumbered pages) : color illustrations, color maps. |
| Bibliography: | Includes bibliographical references (pages 33-35). |