@misc{indiciae12dfadd098bb,
  title = {Concentrations, and estimated loads and yields of total nitrogen and total phosphorus at selected water-quality monitoring network stations in Kentucky, 1979-2004},
  author = {Angela S. Crain and Gary R. Martin},
  year = {2009},
  doi = {10.3133/sir20095240},
  url = {https://pubs.usgs.gov/publication/sir20095240},
  note = {Source identifier: sir20095240}
}