@misc{indiciaec1e9a9c6b94c,
  title = {Surficial and bedrock geologic map database of the Kelso 7.5 Minute quadrangle, San Bernardino County, California},
  author = {David R. Bedford},
  year = {2003},
  doi = {10.3133/ofr03501},
  url = {https://pubs.usgs.gov/publication/ofr03501},
  note = {Source identifier: ofr03501}
}