@misc{indiciae39cd2536be91,
  title = {Bulletin of the United States Geological and Geographical Survey of the Territories: Volume I, 1874 and 1875: No. 1, second series},
  author = {E.D. Cope and Elliott Coues and W. H. Jackson and F.B. Meek},
  year = {1875},
  doi = {10.3133/70159122},
  url = {https://pubs.usgs.gov/publication/70159122},
  note = {Source identifier: 70159122}
}