@misc{indiciae1d641dffa994,
  title = {Total intensity aeromagnetic and geologic map of northeastern Itasca County and southeastern Koochiching County, Minnesota: Relative to arbitrary datum},
  author = {J. L. Meuschke and John R. Henderson},
  year = {1953},
  doi = {10.3133/gp97},
  url = {https://pubs.usgs.gov/publication/gp97},
  note = {Source identifier: gp97}
}