@misc{indiciaea912995966a6,
  title = {Aeromagnetic map of parts of the San Jose, Santa Cruz, and San Francisco 1° by 2° quadrangles, California},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1974},
  doi = {10.3133/ofr7479},
  url = {https://pubs.usgs.gov/publication/ofr7479},
  note = {Source identifier: ofr7479}
}