@misc{indiciae6ae73c38d471,
  title = {Design and implementation of the National Water-Quality Assessment Program: a United States example: understanding the limitations of using compliance-monitoring data to assess the water quality of a large river basin},
  author = {David J. Wangsness},
  year = {1997},
  url = {https://pubs.usgs.gov/publication/70093960},
  note = {Source identifier: 70093960}
}