@misc{indiciae89f715587f9c,
  title = {Synoptic sampling and principal components analysis to identify sources of water and metals to an acid mine drainage stream},
  author = {Patrick Byrne and Robert L. Runkel and Katherine Walton-Day},
  year = {2017},
  doi = {10.1007/s11356-017-9038-x},
  url = {https://pubs.usgs.gov/publication/70188458},
  note = {Source identifier: 70188458}
}