@misc{indiciae6cf2b5325e46,
  title = {Aeromagnetic survey map of Sacramento Valley, California},
  author = {Victoria E. Langenheim},
  year = {2015},
  doi = {10.3133/ofr20151186},
  url = {https://pubs.usgs.gov/publication/ofr20151186},
  note = {Source identifier: ofr20151186}
}