@misc{indiciae863396bdb6bf,
  title = {Geology and mineral deposits of the St. Regis-Superior area, Mineral County, Montana},
  author = {Arthur B. Campbell},
  year = {1960},
  doi = {10.3133/b1082i},
  url = {https://pubs.usgs.gov/publication/b1082I},
  note = {Source identifier: b1082I}
}