@misc{indiciaec176be373c56,
  title = {Geologic map of the Riverside East 7.5' quadrangle, Riverside County, California},
  author = {Douglas M. Morton and Brett F. Cox},
  year = {2001},
  doi = {10.3133/ofr01452},
  url = {https://pubs.usgs.gov/publication/ofr01452},
  note = {Source identifier: ofr01452}
}