@misc{indiciae3dce35e83e60,
  title = {Aeromagnetic map of parts of Wilkin, Otter Tail, Grant, and Traverse Counties, Minnesota},
  author = {L. A. Anderson},
  year = {1963},
  doi = {10.3133/gp328},
  url = {https://pubs.usgs.gov/publication/gp328},
  note = {Source identifier: gp328}
}