@misc{indiciaeff4a62d27fe6,
  title = {Symposium on the geology and mineral deposits of the Challis 1° x 2° quadrangle, Idaho},
  year = {1985},
  doi = {10.3133/b1658as},
  url = {https://pubs.usgs.gov/publication/b1658AS},
  note = {Source identifier: b1658AS}
}