@misc{indiciae23aef12544b0,
  title = {Geologic map of the southwest quarter of the Black Mountain quadrangle, Nye County, Nevada},
  author = {D. C. Noble and R.L. Christiansen},
  year = {1968},
  doi = {10.3133/i562},
  url = {https://pubs.usgs.gov/publication/i562},
  note = {Source identifier: i562}
}