@misc{indiciaeb84d60666286,
  title = {Aeromagnetic map of the Ord Mountains area, southern California},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1987},
  doi = {10.3133/ofr875},
  url = {https://pubs.usgs.gov/publication/ofr875},
  note = {Source identifier: ofr875}
}