@misc{indiciaea0bac5d928a1,
  title = {Mineral occurrences and resources map of the Ambler River quadrangle, Alaska},
  author = {Charles F. Mayfield and Donald G. Grybeck},
  year = {1978},
  doi = {10.3133/ofr78120i},
  url = {https://pubs.usgs.gov/publication/ofr78120I},
  note = {Source identifier: ofr78120I}
}