• 3 Wisconsin's Water Library
• 2 Steenbock Library

• 3 Journals, Magazines, Newspapers

• 2 Economic conditions
• 2 Environmental aspects
• 2 Fishery resources
• 2 Lake ecology
• 2 Natural resources
• 2 Pollution
• 2 Water
• 1 Aquatic sciences
• 1 Environmental conditions
• 1 Research
• 1 Water quality
• 1 Water-supply

• 3 University of Wisconsin Sea Grant Institute
• 1 University of Wisconsin--Madison. Aquatic Sciences Center
• 1 University of Wisconsin--Madison. Water Resources Institute

• 3 English

• 3 Wisconsin

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