@misc{indiciaecd613d90cdfa,
  title = {Characteristics of some silver-, and base metal-bearing, epithermal deposits of Mexico and Peru},
  author = {Nora K. Foley},
  year = {1984},
  doi = {10.3133/ofr84633},
  url = {https://pubs.usgs.gov/publication/ofr84633},
  note = {Source identifier: ofr84633}
}