@misc{indiciaec8ea74a20c1d,
  title = {Gold placers of the Circle District, Alaska — Past, present, and future},
  author = {Warren E. Yeend},
  year = {1991},
  doi = {10.3133/b1943},
  url = {https://pubs.usgs.gov/publication/b1943},
  note = {Source identifier: b1943}
}