@misc{indiciae4adfd83d7f74,
  title = {[Eighth] Annual Report of the United States Geological and Geographical Survey of the Territories, embracing Colorado and parts of adjacent Territories: being a report of progress of the exploration for the year 1874},
  author = {Ferdinand Vandeveer Hayden},
  year = {1876},
  doi = {10.3133/70038932},
  url = {https://pubs.usgs.gov/publication/70038932},
  note = {Source identifier: 70038932}
}