@misc{indiciae5cafc60683cd,
  title = {Preliminary report of the field work of the U.S. Geological and Geographical Survey of the Territories for the season of 1877},
  author = {Ferdinand Vandeveer Hayden},
  year = {1877},
  doi = {10.3133/70039794},
  url = {https://pubs.usgs.gov/publication/70039794},
  note = {Source identifier: 70039794}
}