@misc{indiciae709862d415bc,
  title = {Water resources data, Pennsylvania, water year 1991. Volume 1. Delaware River Basin},
  author = {J.R. Kolva and T.E. White and R.L. Druther and P. Moleski},
  year = {1993},
  doi = {10.3133/wdrpa911},
  url = {https://pubs.usgs.gov/publication/wdrPA911},
  note = {Source identifier: wdrPA911}
}