@misc{indiciae3bbb4cd8e48c,
  title = {Map showing occurrences of lode gold and silver in Alaska},
  author = {Edward Huntington Cobb},
  year = {1984},
  doi = {10.3133/mr84},
  url = {https://pubs.usgs.gov/publication/mr84},
  note = {Source identifier: mr84}
}