Quantifying Phosphorus Balances and Water Quality Trends in the Mississippi River, 1975 – 2017
Lori A. Sprague, U.S. Geological Survey, Water Resources Mission Area, Lakewood, CO, United States, Robert Daniel Sabo, U.S. Environmental Protection Agency, Washington, DC, United States, James Falcone, USGS - Retired, Reston, United States and Sarah M Stackpoole, USGS Geological Survey, Menlo Park, CA, United States
