@misc{indiciae1e517060b519,
  title = {Geologic map of Murphy quadrangle, Tennessee-North Carolina},
  author = {Philip Burke King and C. W. Hayes},
  year = {1950},
  doi = {10.3133/ofr502},
  url = {https://pubs.usgs.gov/publication/ofr502},
  note = {Source identifier: ofr502}
}