@misc{indiciae3cdfa81537ce,
  title = {Metallic mineral resources map of the Charley River Quadrangle, Alaska},
  author = {Edward H. Cobb},
  year = {1972},
  doi = {10.3133/mf390},
  url = {https://pubs.usgs.gov/publication/mf390},
  note = {Source identifier: mf390}
}