@misc{indiciae7d04d124afea,
  title = {Geology and mineral resources of the Lemhi Pass thorium district, Idaho and Montana, with a section on description of selected thorium veins},
  author = {M.H. Staatz and B. J. Sharp and D. L. Hetland},
  year = {1979},
  doi = {10.3133/pp1049a},
  url = {https://pubs.usgs.gov/publication/pp1049A},
  note = {Source identifier: pp1049A}
}