@misc{indiciae3c2f03306f68,
  title = {Environmental characteristics of clays and clay mineral deposits},
  author = {Nora K. Foley},
  year = {1999},
  doi = {10.3133/70220359},
  url = {https://pubs.usgs.gov/publication/70220359},
  note = {Source identifier: 70220359}
}