@misc{indiciae1d1ab8c4c845,
  title = {Geologic map of the Irvington quadrangle, Meade and Breckinridge Counties, Kentucky},
  author = {Dewey Harold Amos},
  year = {1976},
  doi = {10.3133/gq1331},
  url = {https://pubs.usgs.gov/publication/gq1331},
  note = {Source identifier: gq1331}
}