@misc{indiciae94c69257adf2,
  title = {Geology of the southern Elkhorn Mountains, Jefferson and Broadwater Counties, Montana},
  author = {Montis Ruhl Klepper},
  year = {1951},
  doi = {10.3133/ofr5125},
  url = {https://pubs.usgs.gov/publication/ofr5125},
  note = {Source identifier: ofr5125}
}