@misc{indiciae0d72955dc680,
  title = {Geology of the Hound Creek district of the Great Falls coal field, Cascade County, Montana},
  author = {V. H. Barnett},
  year = {1917},
  doi = {10.3133/b641h},
  url = {https://pubs.usgs.gov/publication/b641H},
  note = {Source identifier: b641H}
}