@misc{indiciae1636abc06eb2,
  title = {Geologic map of the Cordova A-7 and A-8, B-6, B-7, and B-8 quadrangles, Hinchinbrook Island, Alaska},
  year = {1973},
  doi = {10.3133/mf531},
  url = {https://pubs.usgs.gov/publication/mf531},
  note = {Source identifier: mf531}
}