@misc{indiciaee663c0606221,
  title = {Water Resources Data, Pennsylvania, Water Year 1999. Volume 3. Ohio and St. Lawrence River Basins},
  author = {R.W. Siwicki},
  year = {2000},
  doi = {10.3133/wdrpa993},
  url = {https://pubs.usgs.gov/publication/wdrPA993},
  note = {Source identifier: wdrPA993}
}