@misc{indiciaefa639e2e53a1,
  title = {Some thorium prospects, Lemhi Pass area, Beaverhead County, Montana},
  author = {Frank C. Armstrong},
  year = {1955},
  doi = {10.3133/tem918},
  url = {https://pubs.usgs.gov/publication/tem918},
  note = {Source identifier: tem918}
}