@misc{indiciaea6f52639d3d0,
  title = {Geologic map of the Survey Pass Quadrangle, Brooks Range, Alaska},
  author = {S.W. Nelson and D. J. Grybeck},
  year = {1980},
  doi = {10.3133/mf1176a},
  url = {https://pubs.usgs.gov/publication/mf1176A},
  note = {Source identifier: mf1176A}
}