@misc{indiciae0ff7bde1d3f5,
  title = {Geology and ore deposits of the Pioche district, Nevada},
  author = {L.G. Westgate and Adolph Knopf},
  year = {1932},
  doi = {10.3133/pp171},
  url = {https://pubs.usgs.gov/publication/pp171},
  note = {Source identifier: pp171}
}