@misc{indiciaeeb9f6c41c645,
  title = {Geology and water resources of the Bitterroot Valley, Montana},
  author = {R. G. McMurtrey},
  year = {1968},
  doi = {10.3133/ofr68344},
  url = {https://pubs.usgs.gov/publication/ofr68344},
  note = {Source identifier: ofr68344}
}