@misc{indiciae7a6e5b5142e9,
  title = {Structure of the continental shelf west of San Francisco, California},
  author = {Alan K. Cooper},
  year = {1973},
  doi = {10.3133/ofr7348},
  url = {https://pubs.usgs.gov/publication/ofr7348},
  note = {Source identifier: ofr7348}
}