@misc{indiciae338d34a94d8a,
  title = {Report on geologic reconnaissance of Clark Fork-Kootenai River area, Montana},
  author = {C. E. Erdmann},
  year = {1946},
  doi = {10.3133/ofr4618},
  url = {https://pubs.usgs.gov/publication/ofr4618},
  note = {Source identifier: ofr4618}
}