@misc{indiciaef58dc381d7db,
  title = {Clay deposits of the Tierra Colorado district, southern Orange County, California},
  author = {Steven Norman Daviess and M. N. Bramlette},
  year = {1953},
  doi = {10.3133/ofr5351},
  url = {https://pubs.usgs.gov/publication/ofr5351},
  note = {Source identifier: ofr5351}
}