@misc{indiciae37c7f9405ee3,
  title = {Birth of the mountains : the geologic story of the southern Appalachian Mountains},
  author = {Sandra H. B. Clark},
  year = {2001},
  doi = {10.3133/7000002},
  url = {https://pubs.usgs.gov/publication/7000002},
  note = {Source identifier: 7000002}
}