@misc{indiciae5e18d9e6740a,
  title = {Estillville folio, Kentucky-Virginia-Tennessee},
  author = {Marius Robinson Campbell},
  year = {1894},
  doi = {10.3133/gf12},
  url = {https://pubs.usgs.gov/publication/gf12},
  note = {Source identifier: gf12}
}