@misc{indiciaea6c176eab0f8,
  title = {Tungsten resources of the Blue Wing district, Lemhi County, Idaho},
  author = {Eugene Callaghan and D.M. Lemmon},
  year = {1943},
  doi = {10.3133/b931a},
  url = {https://pubs.usgs.gov/publication/b931A},
  note = {Source identifier: b931A}
}