@misc{indiciae6a3b6b962b3d,
  title = {Contaminants in drainage water and avian risk thresholds},
  author = {J. P. Skorupa and H. M. Ohlendorf},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/5210499},
  note = {Source identifier: 5210499}
}