@misc{indiciaea7e556a5c123,
  title = {Digital aeromagnetic datasets for the conterminous United States and Hawaii: A companion to the North American magnetic anomaly map},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2002},
  doi = {10.3133/ofr02361},
  url = {https://pubs.usgs.gov/publication/ofr02361},
  note = {Source identifier: ofr02361}
}