@misc{indiciaeec54ba769a00,
  title = {Geology and ore deposits of the Willow Creek mining district, Alaska},
  author = {Richard G. Ray},
  year = {1954},
  doi = {10.3133/b1004},
  url = {https://pubs.usgs.gov/publication/b1004},
  note = {Source identifier: b1004}
}