@misc{indiciae19d71dec06f4,
  title = {Geology of the Whitesville quadrangle, Kentucky},
  author = {Ronald H. Calvert},
  year = {1965},
  doi = {10.3133/gq419},
  url = {https://pubs.usgs.gov/publication/gq419},
  note = {Source identifier: gq419}
}