@misc{indiciaee5631a79bfc5,
  title = {Middle Ordovician rocks of the Tellico-Sevier belt, eastern Tennessee},
  author = {Robert B. Neuman},
  year = {1955},
  doi = {10.3133/pp274f},
  url = {https://pubs.usgs.gov/publication/pp274F},
  note = {Source identifier: pp274F}
}