@misc{indiciae3a4c92be9797,
  title = {Isostatic residual gravity map of The Santa Clara Valley and vicinity, California},
  author = {Carter W. Roberts and Robert C. Jachens and David A. Ponce and Victoria E. Langenheim},
  year = {2004},
  doi = {10.3133/ofr20041297},
  url = {https://pubs.usgs.gov/publication/ofr20041297},
  note = {Source identifier: ofr20041297}
}