@misc{indiciae9b1d50d6488d,
  title = {Mica and beryl pegmatites in Idaho and Montana},
  author = {W.C. Stoll},
  year = {1950},
  doi = {10.3133/pp229},
  url = {https://pubs.usgs.gov/publication/pp229},
  note = {Source identifier: pp229}
}