@misc{indiciae77763561649e,
  title = {Reported occurrences of selected minerals in the southern third of California},
  author = {Merritt B. Smith and V. L. Engler and D. I. Lee and K. J. Horn and R. G. Wayland},
  year = {1974},
  doi = {10.3133/mr49},
  url = {https://pubs.usgs.gov/publication/mr49},
  note = {Source identifier: mr49}
}