@misc{indiciaeb3458911dde1,
  title = {Oxygen transport and pyrite oxidation in unsaturated coal-mine spoil},
  author = {Weixing Guo and Charles A. Cravotta},
  year = {1996},
  url = {https://pubs.usgs.gov/publication/70189550},
  note = {Source identifier: 70189550}
}