@misc{indiciae6611e42c8e41,
  title = {Digital data grids for the magnetic anomaly map of North America},
  author = {Viki Bankey and Alejandro Cuevas and David Daniels and Carol A. Finn and Israel Hernandez and Patricia Hill and Robert Kucks and Warner Miles and Mark Pilkington and Carter Roberts and Walter Roest and Victoria Rystrom and Sarah Shearer and Stephen Snyder and Ronald E. Sweeney and Julio Velez and J. D. Phillips and D.K.A. Ravat},
  year = {2002},
  doi = {10.3133/ofr02414},
  url = {https://pubs.usgs.gov/publication/ofr02414},
  note = {Source identifier: ofr02414}
}