@misc{indiciae1e5a7a6e997b,
  title = {Index to detailed maps of landslides in the San Francisco Bay region, California},
  author = {Richard J. Pike},
  year = {1997},
  doi = {10.3133/ofr97745d},
  url = {https://pubs.usgs.gov/publication/ofr97745D},
  note = {Source identifier: ofr97745D}
}