@misc{indiciae14d80ec48ce2,
  title = {Geographic distribution: Nerodia sipedon sipedon},
  author = {H. M. Smith and G. A. Hammerson and D. Chiszar and Cindy Ramotnik},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70128546},
  note = {Source identifier: 70128546}
}