Elaine C. Todd Trench

• Analysis of phosphorus trends and evaluation of sampling designs in the Quinebaug River basin, Connecticut
• Ground-water resources of Rhode Island
• Nutrient concentrations and loads in the northeastern United States
• Nutrient sources and loads in the Connecticut, Housatonic, and Thames River basins
• Surface-water quality information in Connecticut
• Trends in surface-water quality in Connecticut, 1969-88
• Water-quality trend analysis and sampling design for streams in Connecticut, 1968-98