@misc{indiciae07a75cbfb4c0,
  title = {Mineral resource potential of the Pine Creek (RARE II) area, Oregon},
  author = {George Walton Walker},
  year = {1980},
  doi = {10.3133/ofr80989},
  url = {https://pubs.usgs.gov/publication/ofr80989},
  note = {Source identifier: ofr80989}
}