@misc{indiciaec62fed9a4591,
  title = {Geologic map of the Park quadrangle, south-central Kentucky},
  author = {Samuel L. Moore and Donald Duane Haynes},
  year = {1967},
  doi = {10.3133/gq634},
  url = {https://pubs.usgs.gov/publication/gq634},
  note = {Source identifier: gq634}
}