@misc{indiciae2f4d067e3cd8,
  title = {Map showing planar and linear features in the Culpeper basin and vicinity, Virginia and Maryland},
  author = {B. D. Leavy},
  year = {1984},
  doi = {10.3133/i1313g},
  url = {https://pubs.usgs.gov/publication/i1313G},
  note = {Source identifier: i1313G}
}