@misc{indiciaeff9739bbcdfd,
  title = {Geologic map of the Oakton quadrangle and part of the Wolf Island quadrangle, Hickman and Fulton Counties, Kentucky},
  author = {K. Y. Lee},
  year = {1974},
  doi = {10.3133/gq1187},
  url = {https://pubs.usgs.gov/publication/gq1187},
  note = {Source identifier: gq1187}
}