@misc{indiciaecbeaa9c64533,
  title = {Chapter E: History and Overview of the U.S. Diatomite Mining Industry, with Emphasis on the Western United States},
  author = {Phillip R. Moyle and Thomas P. Dolley},
  year = {2003},
  doi = {10.3133/b2209e},
  url = {https://pubs.usgs.gov/publication/b2209E},
  note = {Source identifier: b2209E}
}