@misc{indiciae45c5d462738e,
  title = {Geologic map of the Hansen Ranch quadrangle, Beaverhead County, southwest Montana},
  author = {John W. M’Gonigle and Mark A. Kirschbaum and Jean N. Weaver},
  year = {1991},
  doi = {10.3133/gq1704},
  url = {https://pubs.usgs.gov/publication/gq1704},
  note = {Source identifier: gq1704}
}