@misc{indiciae911dfdff5b62,
  title = {Evaluation of coal-mining impacts using numerical classification of benthic invertebrate data from streams draining a heavily mined basin in eastern Tennessee},
  author = {A.D. Bradfield},
  year = {1986},
  doi = {10.3133/wri854289},
  url = {https://pubs.usgs.gov/publication/wri854289},
  note = {Source identifier: wri854289}
}