@misc{indiciaea9eb25b3a538,
  title = {Geologic map of the Great Smoky Mountains National Park region, Tennessee and North Carolina},
  author = {Scott Southworth and Art Schultz and John N. Aleinikoff and Arthur J. Merschat},
  year = {2012},
  doi = {10.3133/sim2997},
  url = {https://pubs.usgs.gov/publication/sim2997},
  note = {Source identifier: sim2997}
}