@misc{indiciae811dfcc77b9c,
  title = {Geologic map of the Sheep Hole-Cadiz Wilderness Study Area (CDCA-305), San Bernardino county, California},
  author = {K. A. Howard and Barbara E. John},
  year = {1984},
  doi = {10.3133/mf1615a},
  url = {https://pubs.usgs.gov/publication/mf1615A},
  note = {Source identifier: mf1615A}
}