@misc{indiciae9bfc7dc86374,
  title = {Digital geologic map of the Coeur d'Alene district, Idaho and Montana},
  author = {Pamela D. Derkey and Bruce R. Johnson and Michael Carver},
  year = {1996},
  doi = {10.3133/ofr96299},
  url = {https://pubs.usgs.gov/publication/ofr96299},
  note = {Source identifier: ofr96299}
}