@misc{indiciae6edc47098c82,
  title = {Geologic map of the San Luis Obispo-San Simeon region, California},
  author = {C.A. Hall and W. G. Ernst and S.W. Prior and J.W. Wiese},
  year = {1979},
  doi = {10.3133/i1097},
  url = {https://pubs.usgs.gov/publication/i1097},
  note = {Source identifier: i1097}
}