Stephen F. Blanchard

• Dissolved silica in the tidal Potomac River and Estuary, 1979-81 water years
• External task force review of the U.S. Geological Survey Federal-State Cooperative Water Program
• Transport of dissolved and suspended material by the Potomac River at Chain Bridge, at Washington, D.C., water years 1978-81
• Water quality of the tidal Potomac River and estuary