@misc{indiciaebdab8af80ac4,
  title = {Geologic map of the Big Timber Stock and vicinity, southern Crazy Mountains, Sweet Grass and Park counties, south-central Montana},
  author = {E. A. Du Bray and J. E. Elliott and A.B. Wilson and B. S. Van Gosen and L.A. Rosenberg},
  year = {1993},
  doi = {10.3133/mf2253},
  url = {https://pubs.usgs.gov/publication/mf2253},
  note = {Source identifier: mf2253}
}