@misc{indiciae04b90ef49611,
  title = {Resource potential of the Bear Trap Canyon Instant Study Area, Madison County, Montana},
  author = {Darrell M. Pinckney and William F. Hanna and Harald E. Kaufman and Charles E. Larson},
  year = {1980},
  doi = {10.3133/ofr80835},
  url = {https://pubs.usgs.gov/publication/ofr80835},
  note = {Source identifier: ofr80835}
}