@misc{indiciae4d97b3e643eb,
  title = {Trends in Streamflow and Nutrient and Suspended-Sediment Concentrations and Loads in the Upper Mississippi, Ohio, Red, and Great Lakes River Basins, 1975-2004},
  author = {David L. Lorenz and Dale M. Robertson and David W. Hall and David A. Saad},
  year = {2009},
  doi = {10.3133/sir20085213},
  url = {https://pubs.usgs.gov/publication/sir20085213},
  note = {Source identifier: sir20085213}
}