@misc{indiciae8d78f7d134f5,
  title = {Effects of coal-mine drainage on stream water quality in the Allegheny and Monongahela River Basins — Sulfate transport and trends},
  author = {James I. Sams and Kevin M. Beer},
  year = {2000},
  doi = {10.3133/wri994208},
  url = {https://pubs.usgs.gov/publication/wri994208},
  note = {Source identifier: wri994208}
}