@misc{indiciae5ae8c3fef216,
  title = {Aeromagnetic map of the Dragoons area, Arizona},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1980},
  doi = {10.3133/ofr80996},
  url = {https://pubs.usgs.gov/publication/ofr80996},
  note = {Source identifier: ofr80996}
}