@misc{indiciae03af396115ca,
  title = {Occurrences of erionite in sedimentary rocks of the Western United States},
  author = {R.S. Sheppard},
  year = {1996},
  doi = {10.3133/ofr9618},
  url = {https://pubs.usgs.gov/publication/ofr9618},
  note = {Source identifier: ofr9618}
}