@misc{indiciaecdea792ad800,
  title = {Mineral resources of the Sawtooth Mountains and Carrizo Gorge/Eastern McCain Valley Wilderness Study Areas, San Diego County, California},
  author = {Victoria R. Todd and J.E. Kilburn and D.E. Detra and Andrew Griscom and D. H. Knepper and F.A. Kruse and Eric Cather and D. A. Lipton},
  year = {1987},
  doi = {10.3133/b1711b},
  url = {https://pubs.usgs.gov/publication/b1711B},
  note = {Source identifier: b1711B}
}