@misc{indiciaee2b1f78fb5f8,
  title = {Altitude and configuration of the potentiometric surface, December 6, 1994, in the carbonate rocks in part of East Whiteland and Charlestown townships, Chester County, Pennsylvania},
  author = {B. C. McManus and R. A. Sloto},
  year = {1996},
  doi = {10.3133/ofr96367},
  url = {https://pubs.usgs.gov/publication/ofr96367},
  note = {Source identifier: ofr96367}
}