@misc{indiciaeb4bd03eb1bbf,
  title = {Geology and mineral resource potential map of the Windigo-Thielsen Roadless Area, Douglas and Klamath Counties, Oregon},
  author = {D. R. Sherrod and J. R. Benham and N. S. MacLeod},
  year = {1983},
  doi = {10.3133/ofr83660},
  url = {https://pubs.usgs.gov/publication/ofr83660},
  note = {Source identifier: ofr83660}
}