@misc{indiciae254ea57adf88,
  title = {Preliminary report on the Comet area, Jefferson County, Montana},
  author = {George Earle Becraft},
  year = {1953},
  doi = {10.3133/cir277},
  url = {https://pubs.usgs.gov/publication/cir277},
  note = {Source identifier: cir277}
}