@misc{indiciaec95b3678b356,
  title = {Mineral resource potential map of the Long Swamp Roadless Area, Okanogan County, Washington},
  author = {R.C. Evarts and J. G. Frisken and K.R. Bishop and J. R. Benham},
  year = {1983},
  doi = {10.3133/mf1550},
  url = {https://pubs.usgs.gov/publication/mf1550},
  note = {Source identifier: mf1550}
}