@misc{indiciae6c86eabc8aba,
  title = {Geology of the Burtonville quadrangle, Kentucky},
  author = {Robert Hamilton Morris},
  year = {1965},
  doi = {10.3133/gq396},
  url = {https://pubs.usgs.gov/publication/gq396},
  note = {Source identifier: gq396}
}