@misc{indiciaeb5d96df8f865,
  title = {Geology of the Brisbin quadrangle, Montana},
  author = {Albert Eugene Roberts},
  year = {1964},
  doi = {10.3133/gq256},
  url = {https://pubs.usgs.gov/publication/gq256},
  note = {Source identifier: gq256}
}