@misc{indiciae06d15d84b0d4,
  title = {Preliminary geologic map of the onshore part of the Palo Alto 1:100,000 quadrangle, California},
  author = {E. E. Brabb},
  year = {1993},
  doi = {10.3133/ofr93271},
  url = {https://pubs.usgs.gov/publication/ofr93271},
  note = {Source identifier: ofr93271}
}