@misc{indiciae0f355ced3004,
  title = {Free air gravity anomaly map of offshore Santa Maria Basin, California, and adjacent areas},
  author = {David S. McCulloch and L. A. Beyer and Jonathan R. Childs},
  year = {1989},
  doi = {10.3133/ofr89322},
  url = {https://pubs.usgs.gov/publication/ofr89322},
  note = {Source identifier: ofr89322}
}