@misc{indiciaec2b6e50a75f5,
  title = {Effects of acid mine drainage on fish and macroinvertebrates of the Tioga River, Pennsylvania and New York},
  author = {James L. Barker},
  year = {1972},
  doi = {10.3133/ofr7214},
  url = {https://pubs.usgs.gov/publication/ofr7214},
  note = {Source identifier: ofr7214}
}