@misc{indiciaeac280df68d0a,
  title = {Aeromagnetic anomaly map of the Paducah 1 degree by 2 degrees quadrangle, Missouri, Illinois, and Kentucky},
  author = {R.P. Kucks},
  year = {1990},
  doi = {10.3133/mf2131},
  url = {https://pubs.usgs.gov/publication/mf2131},
  note = {Source identifier: mf2131}
}