@misc{indiciae8dc85b5bde78,
  title = {Ground-water quality and data on wells and springs in Pennsylvania: Volume II, Susquehanna and Potomac River basins},
  author = {Harry E. Koester and Denise R. Miller},
  year = {1980},
  doi = {10.3133/ofr81329},
  url = {https://pubs.usgs.gov/publication/ofr81329},
  note = {Source identifier: ofr81329}
}