@misc{indiciaec8f7cc07a73b,
  title = {Map showing outcrops of granitic rocks and silicic, shallow-intrusive rocks, Basin and Range Province, Southern California},
  author = {F. Allan Hills},
  year = {1984},
  doi = {10.3133/wri834116d},
  url = {https://pubs.usgs.gov/publication/wri834116D},
  note = {Source identifier: wri834116D}
}