@misc{indiciaef1b1c1db3391,
  title = {Third Annual report of the United States Geological Survey to the Secretary of the Interior, 1881-1882},
  author = {J. W. Powell},
  year = {1883},
  doi = {10.3133/ar3},
  url = {https://pubs.usgs.gov/publication/ar3},
  note = {Source identifier: ar3}
}