@misc{indiciae6454a259ffcf,
  title = {Aeromagnetic map of the New Madrid region, Missouri-Kentucky-Arkansas-Tennessee},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1974},
  doi = {10.3133/ofr74360},
  url = {https://pubs.usgs.gov/publication/ofr74360},
  note = {Source identifier: ofr74360}
}