@misc{indiciaea3f9998b39a1,
  title = {Chemical composition of sedimentary rocks in California and Hawaii},
  author = {Thelma P. Hill},
  year = {1981},
  doi = {10.3133/pp1097},
  url = {https://pubs.usgs.gov/publication/pp1097},
  note = {Source identifier: pp1097}
}