@misc{indiciae5778b1876ee2,
  title = {Aeromagnetic map of the Needles 1° x 2° quadrangle, California and Arizona},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1981},
  doi = {10.3133/ofr8185},
  url = {https://pubs.usgs.gov/publication/ofr8185},
  note = {Source identifier: ofr8185}
}