@misc{indiciaedffcd8f65383,
  title = {Quaternary Geology and Liquefaction Susceptibility, San Francisco, California 1:100,000 Quadrangle: A Digital Database},
  author = {Keith L. Knudsen and Jay S. Noller and Janet M. Sowers and William R. Lettis},
  year = {1997},
  doi = {10.3133/ofr97715},
  url = {https://pubs.usgs.gov/publication/ofr97715},
  note = {Source identifier: ofr97715}
}