@misc{indiciae404b950d77eb,
  title = {Surficial geologic map of the Palen-McCoy Wilderness Study area, Riverside County, California},
  author = {Warren E. Yeend},
  year = {1985},
  doi = {10.3133/ofr85444},
  url = {https://pubs.usgs.gov/publication/ofr85444},
  note = {Source identifier: ofr85444}
}