@misc{indiciae9191e50983d7,
  title = {Landforms map of the Herndon Quadrangle, Virginia},
  author = {H.G. Rogers},
  year = {1975},
  doi = {10.3133/ofr75597},
  url = {https://pubs.usgs.gov/publication/ofr75597},
  note = {Source identifier: ofr75597}
}