@misc{indiciaeaca64326f2cb,
  title = {Preliminary geologic map of Pershing County, Nevada},
  author = {Donald Bruce Tatlock},
  year = {1969},
  doi = {10.3133/ofr69275},
  url = {https://pubs.usgs.gov/publication/ofr69275},
  note = {Source identifier: ofr69275}
}