Are fertilizers and pesticides in the ground water? : a case study of the Delmarva Peninsula, Delaware, Maryland, and Virginia /
Hamilton, Pixie A.
Shedlock, Robert J.
[Washington, D.C.] : U.S. G.P.O. ; Denver, CO : Free on application to the Books and Open-File Reports Section, U.S. Geological Survey,
1992.
Includes bibliographical references (p. [16]).
Fertilizers
Pesticides
Groundwater
Water quality management