@misc{indiciae0c92e7906275,
  title = {Geologic map of the Loretto quadrangle, central Kentucky},
  author = {Warren Lee Peterson},
  year = {1972},
  doi = {10.3133/gq1034},
  url = {https://pubs.usgs.gov/publication/gq1034},
  note = {Source identifier: gq1034}
}