@misc{indiciae81cf476dc0c2,
  title = {Exploration in the Cosna-Nowitna region. Mineral resources of the Ruby-Kuskokwim region},
  author = {H. M. Eakin and J.B. Mertie and G. L. Harrington},
  year = {1916},
  doi = {10.3133/b642h},
  url = {https://pubs.usgs.gov/publication/b642H},
  note = {Source identifier: b642H}
}