@misc{indiciae50b43b1b8a87,
  title = {Significant metalliferous lode deposits and placer districts of Alaska},
  author = {Warren J. Nokleberg and T. K. Bundtzen and H. C. Berg and D. A. Brew and Donald Grybeck and M.S. Robinson and T. E. Smith and Warren Yeend},
  year = {1987},
  doi = {10.3133/b1786},
  url = {https://pubs.usgs.gov/publication/b1786},
  note = {Source identifier: b1786}
}