@misc{indiciaed86696592127,
  title = {Preliminary geologic map of the central Santa Cruz mountains, California},
  author = {E. E. Brabb},
  year = {1970},
  doi = {10.3133/ofr7036},
  url = {https://pubs.usgs.gov/publication/ofr7036},
  note = {Source identifier: ofr7036}
}