@misc{indiciaec04bda9208aa,
  title = {Episodic acidification of small streams in the northeastern United States: Ionic controls of episodes},
  author = {P.J. Wigington and David R. DeWalle and Peter S. Murdoch and W.A. Kretser and H. A. Simonin and J. Van Sickle and J.P. Baker},
  year = {1996},
  doi = {10.2307/2269378},
  url = {https://pubs.usgs.gov/publication/70017835},
  note = {Source identifier: 70017835}
}