@misc{indiciae2bd74ee1667c,
  title = {Geologic map of the Skull Mountain quadrangle, Nye County, Nevada},
  author = {E. B. Ekren and Kenneth A. Sargent},
  year = {1965},
  doi = {10.3133/gq387},
  url = {https://pubs.usgs.gov/publication/gq387},
  note = {Source identifier: gq387}
}