@misc{indiciae198b584923ab,
  title = {Geologic map of the Edmonton quadrangle, Metcalfe County, Kentucky},
  author = {John Mark Cattermole},
  year = {1966},
  doi = {10.3133/gq523},
  url = {https://pubs.usgs.gov/publication/gq523},
  note = {Source identifier: gq523}
}