@misc{indiciaef203088196b9,
  title = {Geology of the northern half of the Rattlesnake quadrangle, Bearpaw Mountains, Montana},
  author = {B. C. Hearn},
  year = {1959},
  doi = {10.3133/ofr5951},
  url = {https://pubs.usgs.gov/publication/ofr5951},
  note = {Source identifier: ofr5951}
}