@misc{indiciae8f6040e0825d,
  title = {Geologic map of the Nolin Reservoir quadrangle, western Kentucky},
  author = {Benjamin Gildersleeve},
  year = {1971},
  doi = {10.3133/gq895},
  url = {https://pubs.usgs.gov/publication/gq895},
  note = {Source identifier: gq895}
}