@misc{indiciae6b47af8950ab,
  title = {Landslides and related features, Virginia, Kentucky, and Tennessee; part of the Johnson City 1 degree by two degrees sheet},
  author = {William F. Outerbridge},
  year = {1982},
  doi = {10.3133/ofr82422},
  url = {https://pubs.usgs.gov/publication/ofr82422},
  note = {Source identifier: ofr82422}
}