@misc{indiciaec9a1e1561a9a,
  title = {The southern Appalachians : a changing world},
  author = {Anne Tubiolo and Sandra Clark and Sandra Teacher’s Guide by Clark and Elizabeth Romanaux and Dona Brizzi and Jennifer Thomlin},
  year = {2001},
  doi = {10.3133/7000033},
  url = {https://pubs.usgs.gov/publication/7000033},
  note = {Source identifier: 7000033}
}