@misc{indiciaefe9ab3b2b446,
  title = {Geologic map of the Paradise quadrangle, Muhlenberg and Ohio Counties, Kentucky},
  author = {Thomas M. Kehn},
  year = {1974},
  doi = {10.3133/gq1173},
  url = {https://pubs.usgs.gov/publication/gq1173},
  note = {Source identifier: gq1173}
}