Maps of estimated nitrate and arsenic concentrations for basin-fill aquifers of the Southwestern United States /
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| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, Va. :
U.S. Department of the Interior, U.S. Geological Survey,
2012.
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| Series: | Scientific investigations map ;
3234. |
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| Online Access: | https://purl.fdlp.gov/GPO/gpo57482 |
| Item Description: | Title from title screen (viewed on May 21, 2015). "National Water-Quality Assessment Program." Includes text and location map. |
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| Physical Description: | 1 online resource (2 maps) : color + 1 pamphlet (iv, 8 pages). |
| Bibliography: | Includes bibliographical references. |