@misc{indiciae77d422406619,
  title = {Geohydrologic maps of the anthracite fields of northeastern Pennsylvania},
  author = {W.T. Stuart},
  year = {1970},
  doi = {10.3133/ofr70317},
  url = {https://pubs.usgs.gov/publication/ofr70317},
  note = {Source identifier: ofr70317}
}