@misc{indiciae7b6a7c4d7766,
  title = {The Monterey formation of California and the origin of its siliceous rocks},
  author = {M. N. Bramlette},
  year = {1946},
  doi = {10.3133/pp212},
  url = {https://pubs.usgs.gov/publication/pp212},
  note = {Source identifier: pp212}
}