@misc{indiciae9000c35ec273,
  title = {Mineral resources of the Beartooth Primitive Area and vicinity, Carbon, Park, Stillwater, and Sweet Grass Counties, Montana, and Park County, Wyoming},
  author = {Frank S. Simons and Theodore Armbrustmacher and Ronald Van Noy and Nicolas Zilka and Frank Federspiel and James Ridenour and by Anderson L. A. with a section on Interpretation of aeromagnetic data},
  year = {1973},
  doi = {10.3133/ofr73263},
  url = {https://pubs.usgs.gov/publication/ofr73263},
  note = {Source identifier: ofr73263}
}