TY - RPRT TI - Altitude and configuration of the potentiometric surface in Lansdale and vicinity, Montgomery County, Pennsylvania, August 22-23, 1996 AU - Lisa A. Senior AU - Cynthia J. Rowland AU - David A. Prieto PY - 1998 DO - 10.3133/ofr98253 UR - https://pubs.usgs.gov/publication/ofr98253 ID - ofr98253 ER -