@misc{indiciae9a31b38dab11,
  title = {A geological reconnaissance across the Bitterroot Range and Clearwater Mountains in Montana and Idaho},
  author = {Waldemar Lindgren},
  year = {1904},
  doi = {10.3133/pp27},
  url = {https://pubs.usgs.gov/publication/pp27},
  note = {Source identifier: pp27}
}