@misc{indiciae899b4e46ab14,
  title = {Geologic map of the Vine Grove quadrangle, Hardin and Meade Counties, Kentucky},
  author = {Roy Clark Kepferle},
  year = {1967},
  doi = {10.3133/gq645},
  url = {https://pubs.usgs.gov/publication/gq645},
  note = {Source identifier: gq645}
}