@misc{indiciae00e4a2b5bd70,
  title = {Geologic map of the Matilija quadrangle, California},
  author = {T. W. Dibblee},
  year = {1982},
  doi = {10.3133/ofr8275},
  url = {https://pubs.usgs.gov/publication/ofr8275},
  note = {Source identifier: ofr8275}
}