@misc{indiciaee19541c24c4d,
  title = {Mineral resource potential of the Bull of the Woods Wilderness, Clackamas and Marion counties, Oregon},
  author = {G. W. Walker and N. S. MacLeod and R.J. Blakely},
  year = {1985},
  doi = {10.3133/ofr85247},
  url = {https://pubs.usgs.gov/publication/ofr85247},
  note = {Source identifier: ofr85247}
}