@misc{indiciae548e5d3c0aaa,
  title = {Aeromagnetic maps of parts of the Ketchikan, Prince Rupert, and Craig quadrangles, southeastern Alaska},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1979},
  doi = {10.3133/ofr79937},
  url = {https://pubs.usgs.gov/publication/ofr79937},
  note = {Source identifier: ofr79937}
}