@misc{indiciaef49b91294468,
  title = {Landforms map of the Vienna Quadrangle, Virginia and Maryland},
  author = {H.G. Rogers},
  year = {1975},
  doi = {10.3133/ofr75598},
  url = {https://pubs.usgs.gov/publication/ofr75598},
  note = {Source identifier: ofr75598}
}