@misc{indiciae23f63ebe7034,
  title = {Physical aspects of waste storage from a hypothetical open pit porphyry copper operation},
  author = {Kenneth E. Porter and Donald I. Bleiwas},
  year = {2003},
  doi = {10.3133/ofr03143},
  url = {https://pubs.usgs.gov/publication/ofr03143},
  note = {Source identifier: ofr03143}
}