@misc{indiciaef92e17b9c0d1,
  title = {Geology and mineral deposits of the region surrounding the American Flats Wilderness Study Area, western San Juan Mountains, Colorado},
  author = {Ken Hon and D. J. Bove and V.J. Grauch},
  year = {1986},
  doi = {10.3133/ofr86431},
  url = {https://pubs.usgs.gov/publication/ofr86431},
  note = {Source identifier: ofr86431}
}