@misc{indiciaef3683ef923b6,
  title = {Volume III: The vertebrata of the Tertiary formations of the West},
  author = {Ferdinand Vandeveer Hayden and Edward D. Cope},
  year = {1883},
  doi = {10.3133/70038954},
  url = {https://pubs.usgs.gov/publication/70038954},
  note = {Source identifier: 70038954}
}