@article{219131, note = {Distributed to depository libraries in microfiche.}, author = {Dugas, Diana L.}, url = {http://library.usi.edu/record/219131}, title = {Geographic Information System data sets of hydrogeologic conditions in Pequea and Mill Creek watersheds, Pennsylvania [microform] /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;}, recid = {219131}, pages = {2 v. :}, address = {Lemoyne, Pa. :}, year = {1995}, }