@misc{indiciaebdb528586711,
  title = {Geologic map of the Palen Pass Quadrangle, Riverside County, California},
  author = {Paul Stone and M. M. Kelly},
  year = {1989},
  doi = {10.3133/mf2070},
  url = {https://pubs.usgs.gov/publication/mf2070},
  note = {Source identifier: mf2070}
}