@misc{indiciae834c78ad7e54,
  title = {The common pine snake in West Virginia},
  author = {L. M. Llewellyn},
  year = {1943},
  doi = {10.2307/1437790},
  url = {https://pubs.usgs.gov/publication/5220498},
  note = {Source identifier: 5220498}
}