@misc{indiciae2ca25641c4bd,
  title = {Reported occurrences of selected minerals in the central third of California},
  author = {Merritt B. Smith and V. L. Engler and D. I. Lee and K. J. Horn and R. G. Wayland},
  year = {1971},
  doi = {10.3133/mr48},
  url = {https://pubs.usgs.gov/publication/mr48},
  note = {Source identifier: mr48}
}