@misc{indiciae202b5dc9cbc6,
  title = {Metallic mineral resources map of the Mt. McKinley quadrangle, Alaska},
  author = {Edward Huntington Cobb},
  year = {1971},
  doi = {10.3133/ofr7172},
  url = {https://pubs.usgs.gov/publication/ofr7172},
  note = {Source identifier: ofr7172}
}