@misc{indiciae5b13f8d4a8ad,
  title = {Regional geochemical maps of the Tonopah 1 degree by 2 degrees Quadrangle, Nevada, based on samples of stream sediment and nonmagnetic heavy-mineral concentrate},
  author = {J. T. Nash and D. F. Siems},
  year = {1988},
  doi = {10.3133/mf1877b},
  url = {https://pubs.usgs.gov/publication/mf1877B},
  note = {Source identifier: mf1877B}
}