@misc{indiciaed0bb52a5d87e,
  title = {Summary report on the geology and mineral resources of the Poker Jim Ridge and Fort Warner areas of the Hart Mountain National Antelope Refuge, Lake County, Oregon},
  author = {George Walton Walker and Donald A. Swanson},
  year = {1968},
  doi = {10.3133/b1260m},
  url = {https://pubs.usgs.gov/publication/b1260M},
  note = {Source identifier: b1260M}
}