@misc{indiciaec2c34a543d3d,
  title = {Water Resources Data, Pennsylvania, Water Year 1999. Volume 1. Delaware River Basin},
  author = {R.R. Durlin and W.P. Schaffstall},
  year = {2000},
  doi = {10.3133/wdrpa991},
  url = {https://pubs.usgs.gov/publication/wdrPA991},
  note = {Source identifier: wdrPA991}
}