@misc{indiciae3983d52b0aca,
  title = {National Water-Quality Assessment Program - The Hudson River Basin},
  author = {W.O. Freeman},
  year = {1991},
  doi = {10.3133/ofr91166},
  url = {https://pubs.usgs.gov/publication/ofr91166},
  note = {Source identifier: ofr91166}
}