@misc{indiciae9a7ca65ef5b4,
  title = {Effects of acid mine drainage on fish and macroinvertebrates of Babb Creek, Tioga County, Pennsylvania},
  author = {James L. Barker},
  year = {1972},
  doi = {10.3133/ofr7212},
  url = {https://pubs.usgs.gov/publication/ofr7212},
  note = {Source identifier: ofr7212}
}