@misc{indiciaeca3c63c8fa9a,
  title = {Bibliographies and location maps of aeromagnetic and aeroradiometric publications for the states east of the Mississippi River and north of the Ohio and Potomac rivers},
  author = {Patricia L. Hill},
  year = {1986},
  doi = {10.3133/ofr86525c},
  url = {https://pubs.usgs.gov/publication/ofr86525C},
  note = {Source identifier: ofr86525C}
}