@misc{indiciae718bf6c4c3db,
  title = {Geologic map of frontal fold and thrust zone in the Blacktail Mountains, Beaverhead County, Montana},
  author = {William C. Pecora},
  year = {1987},
  doi = {10.3133/ofr8779},
  url = {https://pubs.usgs.gov/publication/ofr8779},
  note = {Source identifier: ofr8779}
}