@misc{indiciae39b3eea9a2ed,
  title = {Aeromagnetic map of the Los Angeles 1:100,000-scale quadrangle, California},
  author = {V.E. Langenheim and R.C. Jachens},
  year = {1997},
  doi = {10.3133/ofr97162},
  url = {https://pubs.usgs.gov/publication/ofr97162},
  note = {Source identifier: ofr97162}
}