@misc{indiciae53d66b758a7b,
  title = {San Francisco folio, California, Tamalpais, San Francisco, Concord, San Mateo, and Haywards quadrangles},
  author = {Andrew Cowper Lawson},
  year = {1914},
  doi = {10.3133/gf193},
  url = {https://pubs.usgs.gov/publication/gf193},
  note = {Source identifier: gf193}
}