@misc{indiciae1e0382899790,
  title = {Geologic map of the Parnell quadrangle, Wayne County, Kentucky},
  author = {Richard Quintin Lewis and Stanley J. Luft},
  year = {1970},
  doi = {10.3133/gq861},
  url = {https://pubs.usgs.gov/publication/gq861},
  note = {Source identifier: gq861}
}