@misc{indiciaee50d83f6e196,
  title = {Geology of the Adolphus quadrangle, Kentucky-Tennessee},
  author = {Willis H. Nelson},
  year = {1964},
  doi = {10.3133/gq299},
  url = {https://pubs.usgs.gov/publication/gq299},
  note = {Source identifier: gq299}
}