@misc{indiciae76d6f7759b9c,
  title = {Mineral resources of the Jack Creek basin, Madison County, Montana},
  author = {George Earle Becraft and Thor H. Kiilsgaard and R. M. Van Noy},
  year = {1970},
  doi = {10.3133/b1319b},
  url = {https://pubs.usgs.gov/publication/b1319B},
  note = {Source identifier: b1319B}
}