@misc{indiciaeb76d3b2e9907,
  title = {Aeromagnetic map of the southern part of the San Francisco Bay region, California},
  author = {William E. McCaslin},
  year = {1971},
  doi = {10.3133/ofr71294},
  url = {https://pubs.usgs.gov/publication/ofr71294},
  note = {Source identifier: ofr71294}
}