@misc{indiciae30f8c7fa8873,
  title = {Preliminary report on geology of the phosphate deposits in the Centennial Range, Montana-Idaho},
  author = {Fred S. Honkala},
  year = {1953},
  doi = {10.3133/tei323},
  url = {https://pubs.usgs.gov/publication/tei323},
  note = {Source identifier: tei323}
}