@article{216555, recid = {216555}, author = {Donnelly, Colleen A. and Ferrari, Matthew J.}, title = {Summary of pesticide data from streams and wells in the Potomac River Basin, 1993-96 [microform] /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;}, address = {[Baltimore, Md. :}, pages = {7, [1] p. :}, year = {1998}, note = {Caption title.}, url = {http://library.usi.edu/record/216555}, }