@misc{indiciae4efe8cc9b439,
  title = {Mineral resources of the Indian Pass and Picacho Peak Wilderness Study Areas, Imperial County, California},
  author = {David B. Smith and B. R. Berger and R. M. Tosdal and D. R. Sherrod and G. L. Raines and Andrew Griscom and M.G. Helferty and Clayton M. Rumsey and A. B. McMahan},
  year = {1987},
  doi = {10.3133/b1711a},
  url = {https://pubs.usgs.gov/publication/b1711A},
  note = {Source identifier: b1711A}
}