@misc{indiciae3cc01309f63d,
  title = {Deposits of vermiculite and other minerals in the Rainy Creek district, near Libby, Mont.},
  author = {J. T. Pardee and E. S. Larsen},
  year = {1929},
  doi = {10.3133/b805b},
  url = {https://pubs.usgs.gov/publication/b805B},
  note = {Source identifier: b805B}
}