@misc{indiciae5a60c665a275,
  title = {Mineral resources of the La Madre Mountains Wilderness Study Area, Clark County, Nevada},
  author = {James E. Conrad and Harlan N. Barton and David A. Lipton},
  year = {1986},
  doi = {10.3133/b1730a},
  url = {https://pubs.usgs.gov/publication/b1730A},
  note = {Source identifier: b1730A}
}