@misc{indiciae60b394f70f89,
  title = {Mineral resources of the Beartooth Primitive Area and vicinity, Carbon, Park, Stillwater, and Sweet Grass Counties, Montana, and Park County, Wyoming, with a section on interpretation of aeromagnetic data},
  author = {Frank S. Simons and T.J. Armbrustmacher and R. M. Van Noy and N. T. Zilka and F. E. Federspiel and James Ridenour and L. A. Anderson},
  year = {1979},
  doi = {10.3133/b1391f},
  url = {https://pubs.usgs.gov/publication/b1391F},
  note = {Source identifier: b1391F}
}