@misc{indiciae5f164d68fbcc,
  title = {Preliminary report on the King County, Washington, high-alumina clay deposits},
  author = {R.L. Nichols},
  year = {1946},
  doi = {10.3133/ofr469},
  url = {https://pubs.usgs.gov/publication/ofr469},
  note = {Source identifier: ofr469}
}