@misc{indiciae084ff8a5064b,
  title = {Geologic map of the Garfield Quadrangle, Breckinridge County, Kentucky},
  author = {Dewey Harold Amos},
  year = {1975},
  doi = {10.3133/ofr7517},
  url = {https://pubs.usgs.gov/publication/ofr7517},
  note = {Source identifier: ofr7517}
}