@misc{indiciae9566c7eaac71,
  title = {Platinum group elements in native gold, alluvium concentrates, and mineralized rock concentrates from some gold mining districts of Alaska},
  author = {John B. Cathrall and Robert R. Carlson and John C. Antweiler and Elwin L. Mosier},
  year = {1991},
  doi = {10.3133/ofr91348},
  url = {https://pubs.usgs.gov/publication/ofr91348},
  note = {Source identifier: ofr91348}
}