Are fertilizers and pesticides in the ground water? : a case study of the Delmarva Peninsula : Delaware, Maryland, and Virginia /
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| Format: | Government Document Book |
| Language: | English |
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[Reston, Va.] :
U.S. Dept. of the Interior, U.S. Geological Survey ;
1992.
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| Series: | U.S. Geological Survey circular ;
1080. U.S. Geological Survey circular. Public issues in earth science. |
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