@misc{indiciaed0b78e2ccffa,
  title = {Preliminary geologic map of the Calabasas 7.5' quadrangle, southern California: A digital database},
  author = {R. F. Yerkes and R. H. Campbell},
  year = {1995},
  doi = {10.3133/ofr9551},
  url = {https://pubs.usgs.gov/publication/ofr9551},
  note = {Source identifier: ofr9551}
}