@misc{indiciae16c26680a982,
  title = {Geologic map of the Palo Alto 7 1/2' quadrangle, San Mateo and Santa Clara Counties, California},
  author = {E. H. Pampeyan},
  year = {1970},
  doi = {10.3133/ofr70254},
  url = {https://pubs.usgs.gov/publication/ofr70254},
  note = {Source identifier: ofr70254}
}