@misc{indiciae9d1720722f17,
  title = {Report upon United States geological surveys west of the one hundredth meridian, Volume III: Geology},
  author = {George Montague Wheeler},
  year = {1875},
  doi = {10.3133/70039248},
  url = {https://pubs.usgs.gov/publication/70039248},
  note = {Source identifier: 70039248}
}