@misc{indiciaeed6ac7aefd03,
  title = {Geologic map of the Shawhan quadrangle, Bourbon and Harrison Counties, Kentucky},
  author = {Norman P. Cuppels},
  year = {1973},
  doi = {10.3133/gq1122},
  url = {https://pubs.usgs.gov/publication/gq1122},
  note = {Source identifier: gq1122}
}