Summary of and factors affecting pesticide concentrations in streams and shallow wells of the lower Susquehanna River basin, Pennsylvania and Maryland, 1993-95 /
by Robert A. Hainly ... [et al.].

APA Citation

Hainly, R. A., Geological Survey (U.S.)., National Water-Quality Assessment Program (U.S.). (2001). Summary of and factors affecting pesticide concentrations in streams and shallow wells of the lower Susquehanna River basin, Pennsylvania and Maryland, 1993-95. New Cumberland, PA: U.S. Dept. of the Interior, U.S. Geological Survey .

MLA Citation

Hainly, Robert A, Geological Survey (U.S.), and National Water-Quality Assessment Program (U.S.). Summary of And Factors Affecting Pesticide Concentrations In Streams And Shallow Wells of the Lower Susquehanna River Basin, Pennsylvania And Maryland, 1993-95. New Cumberland, PA: U.S. Dept. of the Interior, U.S. Geological Survey , 2001.