@misc{indiciae281eee56c126,
  title = {Trends in Surface-Water Quality at Selected Ambient-Monitoring Network Stations in Kentucky, 1979-2004},
  author = {Angela S. Crain and Gary R. Martin},
  year = {2009},
  doi = {10.3133/sir20095027},
  url = {https://pubs.usgs.gov/publication/sir20095027},
  note = {Source identifier: sir20095027}
}