@misc{indiciae49f7b0afaa2b,
  title = {High REE and Y concentrations in Co-Cu-Au ores of the Blackbird district, Idaho},
  author = {J. F. Slack},
  year = {2006},
  doi = {10.2113/gsecongeo.101.2.275},
  url = {https://pubs.usgs.gov/publication/70030594},
  note = {Source identifier: 70030594}
}