@misc{indiciaee776ca74f3cb,
  title = {Aeromagnetic map of southwestern Montana and east-central Idaho},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1975},
  doi = {10.3133/ofr75655},
  url = {https://pubs.usgs.gov/publication/ofr75655},
  note = {Source identifier: ofr75655}
}