@misc{indiciaee6106ff17b94,
  title = {Mineral resource potential map of the North Fork John Day River Roadless Area, Grant County, Oregon},
  author = {J. G. Evans and M. D. Conyac},
  year = {1983},
  doi = {10.3133/mf1581a},
  url = {https://pubs.usgs.gov/publication/mf1581A},
  note = {Source identifier: mf1581A}
}