@misc{indiciaea8201a7b03ec,
  title = {Mineral resources of Alaska, report on progress of investigations in 1934. Upper Copper and Tanana Rivers, Alaska},
  author = {F. H. Moffit},
  year = {1936},
  doi = {10.3133/b868c},
  url = {https://pubs.usgs.gov/publication/b868C},
  note = {Source identifier: b868C}
}