@misc{indiciaecff97e4d083a,
  title = {Aeromagnetic map of the Hells Canyon area, Idaho and Oregon},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1980},
  doi = {10.3133/ofr80947},
  url = {https://pubs.usgs.gov/publication/ofr80947},
  note = {Source identifier: ofr80947}
}