@misc{indiciae76d1f3855c46,
  title = {Aeromagnetic map of the Roseau 1° x 2° quadrangle, Minnesota and Ontario},
  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/ofr89452},
  url = {https://pubs.usgs.gov/publication/ofr89452},
  note = {Source identifier: ofr89452}
}