@misc{indiciaef6ba93a9047c,
  title = {A case for plants in exploration: Gold in Douglas-fir at the Red Mountain stockwork, Yellow Pine district, Idaho},
  author = {J. A. Erdman and B. F. Leonard and D. M. McKown},
  year = {1985},
  doi = {10.3133/ofr85117},
  url = {https://pubs.usgs.gov/publication/ofr85117},
  note = {Source identifier: ofr85117}
}