@misc{indiciae1936906c8e75,
  title = {Efficacy of heavy-metal capture by clinoptilolite-rich rocks from heavy-metal-polluted water in five drainages in Colorado},
  author = {G. A. Desborough},
  year = {1994},
  doi = {10.3133/ofr94140},
  url = {https://pubs.usgs.gov/publication/ofr94140},
  note = {Source identifier: ofr94140}
}