@misc{indiciaea2cfe80493f9,
  title = {Geologic map of the Steele Peak 7.5-minute Quadrangle, Riverside County, California},
  author = {Douglas M. Morton},
  year = {1991},
  doi = {10.3133/ofr90696},
  url = {https://pubs.usgs.gov/publication/ofr90696},
  note = {Source identifier: ofr90696}
}