@misc{indiciae3fd7314914bb,
  title = {Geologic map of the Elsinore 7.5-minute Quadrangle, Riverside County, California},
  author = {Douglas M. Morton and Harold F. Weber},
  year = {1991},
  doi = {10.3133/ofr90700},
  url = {https://pubs.usgs.gov/publication/ofr90700},
  note = {Source identifier: ofr90700}
}