@misc{indiciae2d4cb2003cc3,
  title = {Geologic map of the eastern Brooks Range, Alaska},
  author = {William Peters Brosge},
  year = {1960},
  doi = {10.3133/ofr6020},
  url = {https://pubs.usgs.gov/publication/ofr6020},
  note = {Source identifier: ofr6020}
}