@misc{indiciae6bc39b7575cb,
  title = {Aeromagnetic map and associated depth map of the Upper Mississippi Embayment region},
  author = {T.G. Hildenbrand and R.P. Kucks and M. F. Kane and J. D. Hendricks},
  year = {1979},
  doi = {10.3133/mf1158},
  url = {https://pubs.usgs.gov/publication/mf1158},
  note = {Source identifier: mf1158}
}