TY - RPRT TI - Altitude and configuration of the potentiometric surface in the crystalline and metasedimentary rocks in Birmingham, Newlin, Pennsbury, and Pocopson Townships and parts of East Marlborough and Kennett Townships, Chester County, Pennsylvania, June 1994 through November 1995 AU - Charles R. Wood AU - William C. Wettstein AU - Stephen S. Aichele AU - James Joyce AU - Frank M. Schneider PY - 1996 DO - 10.3133/ofr96336 UR - https://pubs.usgs.gov/publication/ofr96336 ID - ofr96336 ER -