Richard H. Coupe

1954

• Concentrations and loads of nitrogen and phosphorus in the Yazoo River, northwestern Mississippi, 1996-97
• Pesticide, nutrient, water-discharge and physical-property data for the Mississippi River and some of its tributaries, April 1991-September 1992
• Pesticide, nutrient, water-discharge and physical-property data for the Mississippi River and some of its tributaries, April 1991-September 1992
• Surface-water and streambed-sediment quality of streams draining surface-mined land reclaimed with sewage sludge, Fulton County, Illinois, 1972-89
• Water quality of the tidal Potomac River and estuary