@misc{indiciaec51fd2daaf1b,
  title = {Mineral resources of the North Pole Ridge Wilderness Study Area, Sherman and Gilliam Counties, Oregon},
  author = {Scott A. Minor and J. A. Ach and J. G. Frisken and R.J. Blakely and H. W. Campbell},
  year = {1988},
  doi = {10.3133/b1743b},
  url = {https://pubs.usgs.gov/publication/b1743B},
  note = {Source identifier: b1743B}
}