@misc{indiciaea6125cd03f23,
  title = {Geologic map of the San Simeon-Piedras Blancas region, San Luis Obispo County, California},
  author = {C.A. Hall},
  year = {1976},
  doi = {10.3133/mf784},
  url = {https://pubs.usgs.gov/publication/mf784},
  note = {Source identifier: mf784}
}