@misc{indiciae9bffeb63c56f,
  title = {Geologic map of the Great Smoky Mountains National Park region, Tennessee and North Carolina},
  author = {Scott Southworth and Art Schultz and Danielle Denenny},
  year = {2005},
  doi = {10.3133/ofr20051225},
  url = {https://pubs.usgs.gov/publication/ofr20051225},
  note = {Source identifier: ofr20051225}
}