@misc{indiciae4a24cce27c2a,
  title = {Accident-Grantsville folio, Maryland-Pennsylvania-West Virginia},
  author = {George Curtis Martin},
  year = {1908},
  doi = {10.3133/gf160},
  url = {https://pubs.usgs.gov/publication/gf160},
  note = {Source identifier: gf160}
}