@misc{indiciae72210419b5ae,
  title = {St. Marys folio, Maryland-Virginia},
  author = {George Burbank Shattuck and Benjamin LeRoy Miller},
  year = {1906},
  doi = {10.3133/gf136},
  url = {https://pubs.usgs.gov/publication/gf136},
  note = {Source identifier: gf136}
}