TY  - RPRT
TI  - Altitude and configuration of the potentiometric surface in part of lower Providence Township, Montgomery County, Pennsylvania, May and June 1994
AU  - B. C. McManus
PY  - 1995
DO  - 10.3133/ofr95119
UR  - https://pubs.usgs.gov/publication/ofr95119
ID  - ofr95119
ER  -