@misc{indiciaeeda70580177e,
  title = {Total intensity aeromagnetic map of western Marshall and northwestern Polk Counties, Minnesota},
  author = {J. L. Meuschke and Kenneth G. Books},
  year = {1954},
  doi = {10.3133/ofr54204},
  url = {https://pubs.usgs.gov/publication/ofr54204},
  note = {Source identifier: ofr54204}
}