@misc{indiciae18a1b7311529,
  title = {Geologic map of the De Mossville quadrangle, north-central Kentucky},
  author = {Stanley J. Luft},
  year = {1970},
  doi = {10.3133/gq862},
  url = {https://pubs.usgs.gov/publication/gq862},
  note = {Source identifier: gq862}
}