@misc{indiciae54fcc7ba2b9a,
  title = {Preliminary geologic map of the Lothair quadrangle, Montana},
  author = {J. Fred Smith},
  year = {1955},
  doi = {10.3133/ofr55169},
  url = {https://pubs.usgs.gov/publication/ofr55169},
  note = {Source identifier: ofr55169}
}