@misc{indiciae8713d2331788,
  title = {Geologic map of the Dalton quadrangle, western Kentucky},
  author = {James Edward Palmer},
  year = {1966},
  doi = {10.3133/gq490},
  url = {https://pubs.usgs.gov/publication/gq490},
  note = {Source identifier: gq490}
}