@misc{indiciae50b9084a2627,
  title = {Mineral resources of the Lake Clark-Iditarod region. Quicksilver deposits of the Kuskokwim region. Gold placers of the Lower Kuskokwim, with a note on copper in the Russian Mountains},
  author = {P. S. Smith and A.G. Maddren},
  year = {1915},
  doi = {10.3133/b622h},
  url = {https://pubs.usgs.gov/publication/b622H},
  note = {Source identifier: b622H}
}