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Pesticides in ground water of the Maryland Coastal Plain / by Judith M. Denver and Scott W. Ator ; prepared in cooperation with the Maryland Department of Agriculture.
Web resource
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2006.
2006
1 resource
Available online
Pesticides in ground water of central and western Maryland / by Scott W. Ator and Betzaida Reyes ; prepared in cooperation with the Maryland Department of Agriculture.
Web resource
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2008.
2008
1 resource
Available online
Bacteriological quality of ground water used for household supply, lower Susquehanna River Basin, Pennsylvania and Maryland / Tammy M. Bickford, Bruce D. Lindsey, and Mark R. Beaver.
Web resource
Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1996.
1996
1 resource