@misc{indiciae3df8bb89e4a3,
  title = {Geologic map of the Dugout Creek Quadrangle, Richland and Roosevelt counties, Montana},
  author = {R. B. Colton},
  year = {1979},
  doi = {10.3133/mf1113},
  url = {https://pubs.usgs.gov/publication/mf1113},
  note = {Source identifier: mf1113}
}