@misc{indiciaef73509cb8cf4,
  title = {Geologic map of the Ellisburg quadrangle, Casey County, Kentucky},
  author = {Samuel L. Moore},
  year = {1977},
  doi = {10.3133/gq1397},
  url = {https://pubs.usgs.gov/publication/gq1397},
  note = {Source identifier: gq1397}
}