@misc{indiciae65fcf80aa56c,
  title = {Geologic map of parts of the West Franklin, Caborn, and Mount Vernon quadrangles, Henderson and Union Counties, Kentucky},
  author = {William D. Johnson},
  year = {1974},
  doi = {10.3133/gq1152},
  url = {https://pubs.usgs.gov/publication/gq1152},
  note = {Source identifier: gq1152}
}