Water quality in the Potomac River basin, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia, 1992-96 /
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| Imprint: | Reston, VA : U.S. Geological Survey, Water Resources Division ; Denver, CO : Free on application to the U.S. Geological Survey, Information Services, 1998. |
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| Description: | 38 pages : color illustrations, color maps ; 28 cm. |
| Language: | English |
| Series: | U.S. Geological Survey circular ; 1166 U.S. Geological Survey circular ; 1166. |
| Subject: | |
| Format: | E-Resource U.S. Federal Government Document Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/6512261 |