@misc{indiciae3f2dea5bc746,
  title = {Total intensity aeromagnetic map and accompanying aeromagnetic profiles, parts of Clearwater and Mahnomen Counties, Minnesota},
  author = {J. R. Balsley and M. E. Hill and J. L. Meuschke},
  year = {1951},
  doi = {10.3133/gp47},
  url = {https://pubs.usgs.gov/publication/gp47},
  note = {Source identifier: gp47}
}