Water-quality assessment of the Potomac River Basin : occurrence of pesticides in the Great Valley Carbonate subunit /
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Baltimore, Md. :
U.S. Dept. of the Interior, U.S. Geological Survey ;
1999.
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| Series: | Water-resources investigations report ;
98-4054. |
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| Item Description: | Shipping list number: 99-0352-P. |
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| Physical Description: | vii, 35 pages : color illustrations, color maps ; 28 cm. |
| Bibliography: | Includes bibliographical references (pages 34-35). |