TY - RPRT TI - 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 AU - C.L. Schreffler AU - P.H. Bird PY - 1996 DO - 10.3133/ofr96359 UR - https://pubs.usgs.gov/publication/ofr96359 ID - ofr96359 ER -