@misc{indiciae4bf2c4175380,
  title = {Mineral resources of the Grapevine Mountain Wilderness Study Area, Esmeralda County, Nevada},
  author = {M. F. Diggles and A. M. Leszcykowski},
  year = {1990},
  doi = {10.3133/ofr90620},
  url = {https://pubs.usgs.gov/publication/ofr90620},
  note = {Source identifier: ofr90620}
}