TY  - RPRT
TI  - Hydrogeology and groundwater quality of the glaciated valleys of Bradford, Tioga, and Potter Counties, Pennsylvania
AU  - John H. Williams
AU  - Larry E. Taylor
AU  - Dennis J. Low
PY  - 1998
UR  - https://pubs.usgs.gov/publication/70093983
ID  - 70093983
ER  -