@misc{indiciaea456bcd80e7a,
  title = {Geologic map of the Kingswood quadrangle, Breckinridge County, Kentucky},
  author = {Dewey Harold Amos},
  year = {1978},
  doi = {10.3133/gq1447},
  url = {https://pubs.usgs.gov/publication/gq1447},
  note = {Source identifier: gq1447}
}