@misc{indiciaedbaa0a74359d,
  title = {Gold in the conterminous United States, perspective of 1986 — Preliminary map of selected geographic, economic, and geologic attributes of productive (>10,000 oz) gold districts},
  author = {Edwin W. Tooker and Thomas L. Vercoutere},
  year = {1986},
  doi = {10.3133/ofr86209},
  url = {https://pubs.usgs.gov/publication/ofr86209},
  note = {Source identifier: ofr86209}
}