@misc{indiciae859db86d9ffe,
  title = {Geology of the Russell Springs quadrangle, Kentucky},
  author = {Richard Quintin Lewis and Robert E. Thaden},
  year = {1965},
  doi = {10.3133/gq383},
  url = {https://pubs.usgs.gov/publication/gq383},
  note = {Source identifier: gq383}
}