@misc{indiciaed2d6a188e295,
  title = {Report upon United States geological surveys west of the one hundredth meridian, Volume IV: Paleontology},
  author = {George Montague Wheeler and Charles A. White and E.D. Cope},
  year = {1877},
  doi = {10.3133/70039253},
  url = {https://pubs.usgs.gov/publication/70039253},
  note = {Source identifier: 70039253}
}