@misc{indiciae88e0dbc04956,
  title = {Preliminary mineral resource assessment map of California},
  author = {John Patrick Albers and Luis A. Fraticelli},
  year = {1984},
  doi = {10.3133/mr88},
  url = {https://pubs.usgs.gov/publication/mr88},
  note = {Source identifier: mr88}
}