@misc{indiciae322b7f7266b9,
  title = {Bibliographies and location maps of aeromagnetic and aeroradiometric publications for Puerto Rico and large areas of the conterminous United States},
  author = {Patricia L. Hill},
  year = {1986},
  doi = {10.3133/ofr86525f},
  url = {https://pubs.usgs.gov/publication/ofr86525F},
  note = {Source identifier: ofr86525F}
}