@misc{indiciae59492e15fbb6,
  title = {Twelfth Annual Report of the United States Geological and Geographical Survey of the Territories: A report of progress of the exploration in Wyoming and Idaho for the year 1878, Part I: Geology, paleontology, and zoology},
  author = {F. V. Hayden},
  year = {1883},
  doi = {10.3133/70038937},
  url = {https://pubs.usgs.gov/publication/70038937},
  note = {Source identifier: 70038937}
}