Donna L. Belval

• Monitoring nutrients in the major rivers draining to Chesapeake Bay
• Relation of stream quality to streamflow, and estimated loads of selected water-quality constituents in the James and Rappahannock Rivers near the fall line of Virginia, July 1988 through June 1990
• Water-quality characteristics of five tributaries to the Chesapeake Bay at the Fall Line, Virginia, July 1988 through June 1993
• Water-quality data and estimated loads of selected constituents in five tributaries to the Chesapeake Bay at the Fall Line, Virginia, July 1993 through June 1995