@misc{indiciae71a6bcd51b67,
  title = {Geology of the Rattlesnake quadrangle Bearpaw Mountains, Blaine County, Montana},
  author = {B. C. Hearn and W. T. Pecora and W. C. Swadley},
  year = {1964},
  doi = {10.3133/b1181b},
  url = {https://pubs.usgs.gov/publication/b1181B},
  note = {Source identifier: b1181B}
}