@misc{indiciae851b95871a0e,
  title = {Geologic map of the Tonopah 1 degree by 2 degrees Quadrangle, central Nevada},
  author = {D. H. Whitebread and D. A. John},
  year = {1992},
  doi = {10.3133/mf1877a},
  url = {https://pubs.usgs.gov/publication/mf1877A},
  note = {Source identifier: mf1877A}
}