@misc{indiciae916137d90e1c,
  title = {Geology of Palo Alto 30 x 60 minute quadrangle, California: A digital database},
  author = {Earl E. Brabb and R. W. Graymer and David Lawrence Jones},
  year = {1998},
  doi = {10.3133/ofr98348},
  url = {https://pubs.usgs.gov/publication/ofr98348},
  note = {Source identifier: ofr98348}
}