@misc{indiciae8fbefad324d9,
  title = {Geologic map of the Roberts quadrangle, Carbon County, Montana},
  author = {H. D. Zeller},
  year = {1963},
  doi = {10.3133/mf266},
  url = {https://pubs.usgs.gov/publication/mf266},
  note = {Source identifier: mf266}
}