@misc{indiciaedf3a0acdaf42,
  title = {Geologic map of the Hay Creek quadrangle, Roosevelt County, Montana},
  author = {R. B. Colton},
  year = {1963},
  doi = {10.3133/i365},
  url = {https://pubs.usgs.gov/publication/i365},
  note = {Source identifier: i365}
}