@misc{indiciaef37d2fd3abe3,
  title = {Mineral resources of Alaska, report on progress of investigations in 1935. Recent mineral developments in the Copper River region},
  author = {F. H. Moffit},
  year = {1937},
  doi = {10.3133/b880b},
  url = {https://pubs.usgs.gov/publication/b880B},
  note = {Source identifier: b880B}
}