@misc{indiciae9e80aa18948e,
  title = {Theoretical technique for predicting the cumulative impact of iron and manganese oxidation in streams receiving discharge from coal mines},
  author = {Keith E. Bobay},
  year = {1986},
  doi = {10.3133/wri864039},
  url = {https://pubs.usgs.gov/publication/wri864039},
  note = {Source identifier: wri864039}
}