TY - RPRT TI - Ground-water system, estimation of aquifer hydraulic properties, and effects of pumping on ground-water flow in Triassic sedimentary rocks in and near Lansdale, Pennsylvania AU - Lisa A. Senior AU - Daniel J. Goode PY - 1999 DO - 10.3133/wri994228 UR - https://pubs.usgs.gov/publication/wri994228 ID - wri994228 ER -