@misc{indiciaea0f6b051bc33,
  title = {Index map of flood studies, Culpeper Basin, Virginia and Maryland},
  author = {S. A. Morsches and Chester Zenone},
  year = {1981},
  doi = {10.3133/i1313a},
  url = {https://pubs.usgs.gov/publication/i1313A},
  note = {Source identifier: i1313A}
}