@misc{indiciae18c0136b7a78,
  title = {Aeromagnetic surveying Wisconsin 1996; digital data files},
  author = {Stephen L. Snyder},
  year = {2001},
  doi = {10.3133/ofr00500},
  url = {https://pubs.usgs.gov/publication/ofr00500},
  note = {Source identifier: ofr00500}
}