TY  - RPRT
TI  - Altitude and configuration of the potentiometric surface in the Triassic sandstones and shales, northeastern Chester County, Pennsylvania, September 1987 through January 1988
AU  - Lisa A. Senior
AU  - John A. Garges
PY  - 1989
DO  - 10.3133/wri894043
UR  - https://pubs.usgs.gov/publication/wri894043
ID  - wri894043
ER  -