@misc{indiciae4806fcee36ec,
  title = {Maps of the Bonsall area of the San Luis Rey River valley, San Diego County, California, showing geology, hydrology, and ground-water quality},
  author = {John A. Izbicki},
  year = {1985},
  doi = {10.3133/wri854112},
  url = {https://pubs.usgs.gov/publication/wri854112},
  note = {Source identifier: wri854112}
}