@misc{indiciae995d7857c2ae,
  title = {Ground-water quality and data on wells and springs in Pennsylvania; Volume III, Delaware River basin},
  author = {H.E. Koester and D.R. Miller},
  year = {1982},
  doi = {10.3133/ofr81330},
  url = {https://pubs.usgs.gov/publication/ofr81330},
  note = {Source identifier: ofr81330}
}