@misc{indiciae73e8701fed8e,
  title = {Principal facts for gravity data along the Hayward fault and vicinity, San Francisco Bay area, northern California},
  author = {David A. Ponce},
  year = {2001},
  doi = {10.3133/ofr2001124},
  url = {https://pubs.usgs.gov/publication/ofr2001124},
  note = {Source identifier: ofr2001124}
}