@misc{indiciae4d2e308576bf,
  title = {Surficial Geologic Map of the Great Smoky Mountains National Park Region, Tennessee and North Carolina},
  author = {Scott Southworth and Art Schultz and Danielle Denenny and James Triplett},
  year = {2004},
  doi = {10.3133/ofr03381},
  url = {https://pubs.usgs.gov/publication/ofr03381},
  note = {Source identifier: ofr03381}
}