@misc{indiciae453b35d82a06,
  title = {Effects of acidic precipitation on the water quality of streams in the Laurel Hill area, Somerset County, Pennsylvania, 1983-86},
  author = {J. L. Barker and E. C. Witt},
  year = {1990},
  doi = {10.3133/wri894113},
  url = {https://pubs.usgs.gov/publication/wri894113},
  note = {Source identifier: wri894113}
}