@misc{indiciaefe7650c8b994,
  title = {Geologic map of the Rochester quadrangle, western Kentucky},
  author = {Dan E. Hansen},
  year = {1974},
  doi = {10.3133/gq1171},
  url = {https://pubs.usgs.gov/publication/gq1171},
  note = {Source identifier: gq1171}
}