• 3 Wisconsin's Water Library
• 1 Middleton Shelving Facility
• 1 Wisconsin Historical Society Library

• 5 DVDs
• 1 VHS Videocassettes

• 7 Water
• 5 Lake ecology
• 5 Lake restoration
• 4 Environmental conditions
• 4 Environmental protection
• 4 Water-supply
• 3 Conservation of natural resources
• 3 Endangered ecosystems
• 3 Environmental aspects
• 2 Environmental health
• 2 Government policy
• 2 Health aspects
• 2 History
• 1 Conservation
• 1 Emerging contaminants in water
• 1 Endocrine disrupting chemicals in water
• 1 Evnironmental aspects
• 1 Factory and trade waste
• 1 Fishes
• 1 Hazardous wastes
• 1 Lake sturgeon
• 1 Natural resources
• 1 Sewage
• 1 Water quality

• 4 McMahon, Kevin, 1957 or 1958-
• 3 Big Picture Media Corporation
• 3 Downie, Gordon, 1964-2017
• 3 McLaughlin, Kristina
• 3 National Film Board of Canada
• 3 Primitive Entertainment Inc
• 2 Bullfrog Films
• 2 CanWest Global Communications Corp
• 2 Flahive, Gerry
• 2 McMahon, Michael
• 2 Mongrel Media
• 2 Nihon Hōsō Kyōkai
• 2 Sundance Channel
• 1 Donaldson, Christopher
• 1 Fednav Limited
• 1 Films for the Humanities (Firm)
• 1 Fusco, Angela
• 1 Lickley, David
• 1 Loew, Patty
• 1 Low, Stephen
• 1 McMahon, Michael, 1962-
• 1 Pinsent, Gordon
• 1 Science North (Ont.)
• 1 Swinghammer, Kurt, 1957-
• 1 TVOntario

• 7 English
• 1 French

• 2 Great Lakes
• 2 Great Lakes Region (North America)
• 1 Grands Lacs (Amérique du Nord)
• 1 Great Lakes Watershed (North America)
• 1 Wisconsin

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