@misc{indiciae8495d5c4b209,
  title = {Preliminary geologic map of Seward Peninsula, Alaska},
  author = {Travis Hudson},
  year = {1977},
  doi = {10.3133/ofr77167a},
  url = {https://pubs.usgs.gov/publication/ofr77167A},
  note = {Source identifier: ofr77167A}
}