@misc{indiciae1f37edd6ab07,
  title = {Bedrock-surface map of the San Francisco North quadrangle, California},
  author = {Julius Schlocker},
  year = {1962},
  doi = {10.3133/ofr62119},
  url = {https://pubs.usgs.gov/publication/ofr62119},
  note = {Source identifier: ofr62119}
}