@misc{indiciaecd9d4d54d7d4,
  title = {Mineral resources of the upper Chitina Valley},
  author = {F. H. Moffit},
  year = {1916},
  doi = {10.3133/b642c},
  url = {https://pubs.usgs.gov/publication/b642C},
  note = {Source identifier: b642C}
}