@misc{indiciaedb45ffd0e249,
  title = {Geology and geologic history of Great Smoky Mountains National Park; a simple guide for the interpretive program},
  author = {A. P. Schultz and R.R. Seal},
  year = {1997},
  doi = {10.3133/ofr97510},
  url = {https://pubs.usgs.gov/publication/ofr97510},
  note = {Source identifier: ofr97510}
}