@misc{indiciaea83a7963af12,
  title = {Detecting change in water quality from implementation of limestone treatment systems in a coal-minded watershed},
  author = {Charles A. Cravotta and Jeffrey B. Weitzel},
  year = {2000},
  url = {https://pubs.usgs.gov/publication/70189385},
  note = {Source identifier: 70189385}
}