@article{219326, recid = {219326}, author = {Schreffler, Curtis L. and Bird, Philip H.}, title = {Maps of difference between ground-water contributions to base flow for the various recurrence intervals and ground-water withdrawals in the Neshaminy Creek Basin, Pennsylvania [microform] /}, publisher = {The Survey,}, address = {[Lemoyne, Pa.] :}, pages = {6 maps ;}, year = {1996}, note = {Distributed to depository libraries in microfiche.}, url = {http://library.usi.edu/record/219326}, }