@misc{indiciae85945db44cf9,
  title = {Geologic map of the San Francisco Bay region},
  author = {R. W. Graymer and B. C. Moring and G.J. Saucedo and C. M. Wentworth and E. E. Brabb and K. L. Knudsen},
  year = {2006},
  doi = {10.3133/sim2918},
  url = {https://pubs.usgs.gov/publication/sim2918},
  note = {Source identifier: sim2918}
}