TY - RPRT TI - Effects of changes in pumping on regional groundwater-flow paths, 2005 and 2010, and areas contributing recharge to discharging wells, 1990–2010, in the vicinity of North Penn Area 7 Superfund site, Montgomery County, Pennsylvania AU - Lisa A. Senior AU - Daniel J. Goode PY - 2017 DO - 10.3133/sir20175014 UR - https://pubs.usgs.gov/publication/sir20175014 ID - sir20175014 ER -