@misc{indiciaea1d09784a2b1,
  title = {Mineral resources of the Fort Piute Wilderness Study Area, San Bernardino County, California},
  author = {Jane E. Nielson and James G. Frisken and Robert C. Jachens and John R. McDonnell},
  year = {1987},
  doi = {10.3133/b1713c},
  url = {https://pubs.usgs.gov/publication/b1713C},
  note = {Source identifier: b1713C}
}