@misc{indiciae434018ab66d0,
  title = {Aeromagnetic map of the Libby and Mt. Pend Oreille quadrangles, Lincoln and Sanders Counties, Montana and Bonner County, Idaho},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1969},
  doi = {10.3133/gp682},
  url = {https://pubs.usgs.gov/publication/gp682},
  note = {Source identifier: gp682}
}