@misc{indiciae160bc8f8dbd0,
  title = {Aeromagnetic map of the northeast portion of the Bemidji 1 x 2 Quadrangle, Minnesota},
  author = {Robert E. Bracken and R. J. Horton and D. H. Rohret and R. W. Krizman and C. R. Thompson and R. A. Sneddon and H. A. Pierce and C. M. Mitchell},
  year = {1989},
  doi = {10.3133/ofr89492},
  url = {https://pubs.usgs.gov/publication/ofr89492},
  note = {Source identifier: ofr89492}
}