• 5 Middleton Shelving Facility
• 3 Wisconsin's Water Library
• 2 Verona Shelving Facility
• 1 Science Libraries Shelving Facility

• 11 Videos, Slides, Films
• 1 Kits

• 8 Pollution
• 4 Environmental aspects
• 3 Water resources development
• 2 Lake restoration
• 2 Water quality management
• 2 Water-supply engineering
• 1 Ecology
• 1 Economic development
• 1 Evnironmental aspects
• 1 Forests and forestry
• 1 Hazardous wastes
• 1 Health aspects
• 1 History
• 1 Hydrology
• 1 Lakes
• 1 Landscape protection
• 1 Marine pollution
• 1 Pollution potential
• 1 Rivers
• 1 Runoff
• 1 Sewage
• 1 Sewage disposal in the ocean
• 1 Shore protection
• 1 Storms

• 2 Wisconsin. Bureau of Fisheries Management
• 2 Wisconsin. Bureau of Water Resources Management
• 2 Wisconsin. Department of Natural Resources. Bureau of Information and Education
• 1 Asian Development Bank. Information Office
• 1 Blair, Nicholas, 1956-
• 1 Buckner, Noel
• 1 Cine Research Associates
• 1 Dale, Terje
• 1 Films for the Humanities (Firm)
• 1 Fusco, Angela
• 1 Future Media Corporation
• 1 Green, Sam
• 1 Kalin, Andrea
• 1 Ludy, Todd
• 1 Michigan. Forest Management Division
• 1 Michigan. Surface Water Quality Division
• 1 Minnesota. Aquatic Plant Restoration Program
• 1 Minnesota. Department of Natural Resources
• 1 Minnesota. Nongame Wildlife Program
• 1 Norsk rikskringkasting
• 1 Salamanca, Richard
• 1 Salamon, Robert
• 1 Spark Media Production (Firm)
• 1 TVOntario
• 1 Tvedt, Terje

• 11 English

• 2 Delavan, Lake
• 2 Delavan, Lake (Wis.)
• 2 United States
• 2 Wisconsin
• 1 Asia
• 1 California
• 1 China
• 1 Great Lakes (North America)
• 1 Great Lakes Watershed (North America)
• 1 Michigan
• 1 Minnesota
• 1 Philippines
• 1 Sri Lanka

Limit year range