@misc{indiciae4993bc7d19da,
  title = {Bibliographies and location maps of publications on aeromagnetic and aeroradiometric surveys for the states west of approximately 104 degrees longitude (exclusive of Hawaii and Alaska)},
  author = {Patricia L. Hill},
  year = {1991},
  doi = {10.3133/ofr91370a},
  url = {https://pubs.usgs.gov/publication/ofr91370A},
  note = {Source identifier: ofr91370A}
}