@misc{indiciae7949fb9eeb75,
  title = {Mineral resources of the Ventana primitive area, Monterey County, California},
  author = {Robert Carl Pearson and Philip Thayer Hayes and Paul V. Filo},
  year = {1967},
  doi = {10.3133/b1261b},
  url = {https://pubs.usgs.gov/publication/b1261B},
  note = {Source identifier: b1261B}
}