@misc{indiciae7c051547d678,
  title = {Character of the middle Nonlithophysal Zone of the Topopah Spring Tuff at Yucca Mountain},
  author = {David C. Buesch and R.W. Spengler},
  year = {1998},
  url = {https://pubs.usgs.gov/publication/70197511},
  note = {Source identifier: 70197511}
}