@misc{indiciae943231a5c473,
  title = {Surficial geologic map of the Philip Smith Mountains Quadrangle, Alaska},
  author = {T. D. Hamilton},
  year = {1978},
  doi = {10.3133/mf879a},
  url = {https://pubs.usgs.gov/publication/mf879A},
  note = {Source identifier: mf879A}
}