@misc{indiciae43ca997ea4c2,
  title = {Monterey folio, Virginia-West Virginia},
  author = {Nelson Horatio Darton},
  year = {1899},
  doi = {10.3133/gf61},
  url = {https://pubs.usgs.gov/publication/gf61},
  note = {Source identifier: gf61}
}