@misc{indiciae60a38b989424,
  title = {Mineral resource potential of the Olallie Roadless Area, Marion and Jefferson counties, Oregon},
  author = {G. W. Walker},
  year = {1982},
  doi = {10.3133/ofr82885},
  url = {https://pubs.usgs.gov/publication/ofr82885},
  note = {Source identifier: ofr82885}
}