@misc{indiciae927f95e553b8,
  title = {Geologic maps of the west-central part of the Southern Anthracite field, Pennsylvania},
  author = {Gordon H. Wood},
  year = {1965},
  doi = {10.3133/ofr65175},
  url = {https://pubs.usgs.gov/publication/ofr65175},
  note = {Source identifier: ofr65175}
}