@misc{indiciaefc6b1525ea32,
  title = {Aeromagnetic map of the Victorville 1:100,000 scale quadrangle, California},
  author = {Robert C. Jachens and S. L. Snyder and Carter W. Roberts},
  year = {1993},
  doi = {10.3133/ofr93315},
  url = {https://pubs.usgs.gov/publication/ofr93315},
  note = {Source identifier: ofr93315}
}