@misc{indiciae4e744d463915,
  title = {Preliminary manuscript for "Mineral-resources potential and geology of the Challis 1 degree by 2 degrees Quadrangle, Idaho"},
  author = {F. S. Fisher and K. M. Johnson},
  year = {1987},
  doi = {10.3133/ofr87480},
  url = {https://pubs.usgs.gov/publication/ofr87480},
  note = {Source identifier: ofr87480}
}