Areal and temporal variations in surface-water quality in the Upper Potomac River basin /
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Towson, Md. :
U.S. Dept. of the Interior, U.S. Geological Survey ;
1992.
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| Series: | Water-resources investigations report ;
89-4139. |
| Subjects: |
| Item Description: | Shipping list number: 92-263-P. One map on 1 folded leaf in pocket. |
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| Physical Description: | iv, 48 pages : illustrations, map ; 28 cm. |
| Bibliography: | Includes bibliographical references (pages 47-48). |