@misc{indiciae9966479cda32,
  title = {Geologic map of the Piper Peak quadrangle, Nevada-California},
  author = {John Harris Stewart and Paul T. Robinson and John P. Albers and Dwight F. Crowder},
  year = {1974},
  doi = {10.3133/gq1186},
  url = {https://pubs.usgs.gov/publication/gq1186},
  note = {Source identifier: gq1186}
}