@misc{indiciae390645754a85,
  title = {Reconnaissance geologic map of the southwestern quarter of the Finn quadrangle, Lewis and Clark and Powell Counties, Montana},
  author = {W. Mark Weber and Irving Jerome Witkind},
  year = {1979},
  doi = {10.3133/ofr79442},
  url = {https://pubs.usgs.gov/publication/ofr79442},
  note = {Source identifier: ofr79442}
}