@misc{indiciae317ec8508539,
  title = {Water Quality in the Delaware River Basin, Pennsylvania, New Jersey, New York, and Delaware, 1998-2001},
  author = {Jeffrey M. Fischer and Karen Riva-Murray and R. Edward Hickman and Douglas C. Chichester and Robin A. Brightbill and Kristin M. Romanok and Michael D. Bilger},
  year = {2004},
  doi = {10.3133/cir1227},
  url = {https://pubs.usgs.gov/publication/cir1227},
  note = {Source identifier: cir1227}
}