@misc{indiciae75d66e832a18,
  title = {Aeromagnetic map of northeastern Montana and western North Dakota},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1981},
  doi = {10.3133/ofr81434},
  url = {https://pubs.usgs.gov/publication/ofr81434},
  note = {Source identifier: ofr81434}
}