@misc{indiciaee3a176f590d0,
  title = {Preliminary geology of the Blacktail Mountain drilling site, Flathead County, Montana},
  author = {Jack Edward Harrison and Mitchell W. Reynolds},
  year = {1979},
  doi = {10.3133/ofr79938},
  url = {https://pubs.usgs.gov/publication/ofr79938},
  note = {Source identifier: ofr79938}
}