@misc{indiciaefdec6a6a1ed1,
  title = {Arizona aeromagnetic and gravity maps and data: a website for distribution of data},
  author = {Ronald E. Sweeney and Patricia L. Hill},
  year = {2001},
  doi = {10.3133/ofr0181},
  url = {https://pubs.usgs.gov/publication/ofr0181},
  note = {Source identifier: ofr0181}
}