@misc{indiciae180d492b0504,
  title = {Geologic map of the Todd Lakes quadrangle, Valley and Roosevelt Counties, Montana},
  author = {R. B. Colton},
  year = {1963},
  doi = {10.3133/i370},
  url = {https://pubs.usgs.gov/publication/i370},
  note = {Source identifier: i370}
}