@misc{indiciae2c6bbd6e6934,
  title = {Sundance folio, Wyoming-South Dakota},
  author = {Nelson Horatio Darton and William Sidney Tangier Smith},
  year = {1905},
  doi = {10.3133/gf127},
  url = {https://pubs.usgs.gov/publication/gf127},
  note = {Source identifier: gf127}
}