@misc{indiciaeeb70615938b6,
  title = {Reconnaissance geology of the Birney-Broadus coal field, Rosebud and Powder River Counties, Montana},
  author = {Walter Cyrus Warren},
  year = {1959},
  doi = {10.3133/b1072j},
  url = {https://pubs.usgs.gov/publication/b1072J},
  note = {Source identifier: b1072J}
}