@misc{indiciaeb22b700a8cbb,
  title = {Oxygen isotopes of dissolved sulfate as a tool to distinguish natural and mining-related dissolved constituents},
  author = {Winfield G. Wright and D. Kirk Nordstrom},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70198487},
  note = {Source identifier: 70198487}
}