TY - RPRT TI - Altitude and configuration of the water-level surface in Mesozoic sedimentary rocks at and near the North Penn Area 7 Superfund Site, Upper Gwynedd Township, Montgomery County, Pennsylvania, December 4-6, 2000 AU - Lisa A. Senior AU - Allan J. Ruddy PY - 2004 DO - 10.3133/ofr20041006 UR - https://pubs.usgs.gov/publication/ofr20041006 ID - ofr20041006 ER -