@misc{indiciaebd4f32ca7171,
  title = {Aeromagnetic map of the Thompson Lakes quadrangle, Lincoln, Sanders, and Flathead Counties, Montana},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1969},
  doi = {10.3133/gp683},
  url = {https://pubs.usgs.gov/publication/gp683},
  note = {Source identifier: gp683}
}