@misc{indiciae09802908aa25,
  title = {Geologic map of the Clementsville quadrangle, Casey and Adair Counties, Kentucky},
  author = {Alfred R. Taylor and Richard Quintin Lewis},
  year = {1972},
  doi = {10.3133/gq1033},
  url = {https://pubs.usgs.gov/publication/gq1033},
  note = {Source identifier: gq1033}
}