@misc{indiciae1df0e84eaae6,
  title = {Geologic map of the Allensville quadrangle, Kentucky-Tennessee},
  author = {Harry Klemic},
  year = {1966},
  doi = {10.3133/gq502},
  url = {https://pubs.usgs.gov/publication/gq502},
  note = {Source identifier: gq502}
}