@misc{indiciaeb47d37016771,
  title = {Geochemical data, Red Mountains mining district, San Juan Mountains, Colorado},
  author = {F. S. Fisher},
  year = {1987},
  doi = {10.3133/ofr87174},
  url = {https://pubs.usgs.gov/publication/ofr87174},
  note = {Source identifier: ofr87174}
}