• 36 Wisconsin Historical Society Library
• 23 Middleton Shelving Facility
• 23 Wisconsin's Water Library
• 19 Steenbock Library
• 11 Verona Shelving Facility
• 9 Geology and Geophysics Library (Leith)
• 6 Law Library
• 6 Memorial Library
• 2 Shared Print Repositories
• 1 Limnology Library

• 150 Journals, Magazines, Newspapers
• 4 Microforms

• 45 Water
• 39 Pollution
• 32 Water quality
• 20 Water-supply
• 17 Water resources development
• 10 Purification
• 8 International Joint Commission
• 7 Environmental aspects
• 7 Sewage
• 7 Soil conservation
• 6 Drinking water
• 6 Finance
• 5 Federal aid to water quality management
• 5 Groundwater
• 5 Hydrology
• 5 Management
• 5 Water Pollution
• 5 Wisconsin Nonpoint Source Water Pollution Abatement Program
• 4 Citizen participation
• 4 Quality
• 4 Research
• 3 Air quality management
• 3 Ecology
• 3 Environmental engineering

• 10 Wisconsin. Department of Natural Resources
• 9 International Joint Commission
• 6 Geological Survey (U.S.)
• 5 Wisconsin Nonpoint Source Water Pollution Abatement Program
• 4 International Water Association
• 4 Wisconsin. Department of Agriculture, Trade, and Consumer Protection
• 3 International Joint Commission. Great Lakes Regional Office
• 3 United States. Agricultural Research Service
• 3 United States. Environmental Protection Agency. Water Planning Division
• 3 Water Environment Federation
• 3 Wisconsin Groundwater Coordinating Council
• 3 Wisconsin. Legislative Fiscal Bureau
• 2 American Society of Civil Engineers. Water Resources Planning and Management Division
• 2 Canada. Environment Canada
• 2 Canadian Association on Water Quality
• 2 Clean Water Action Council of Northeast Wisconsin
• 2 European Environment Agency
• 2 European Topic Centre on Inland Waters
• 2 Geological Survey (U.S.). Water Resources Division
• 2 Illinois State Water Survey
• 2 International Association on Water Pollution Research
• 2 International Association on Water Pollution Research and Control
• 2 International Association on Water Quality
• 2 National Small Flows Clearinghouse
• 2 Texas. Department of Water Resources

• 146 English
• 2 French
• 2 Spanish
• 1 German
• 1 Persian

• 38 United States
• 35 Wisconsin
• 15 Great Lakes (North America)
• 5 Great Lakes Region (North America)
• 5 Great Lakes Watershed (North America)
• 4 Canada
• 4 Illinois
• 3 Michigan
• 3 North Carolina
• 2 European Union countries
• 2 Kansas
• 2 Minnesota
• 2 Mississippi
• 2 Pennsylvania
• 2 Texas
• 1 Australia
• 1 Austria
• 1 Chesapeake Bay Region (Md. and Va.)
• 1 Chicago
• 1 Choptank River Watershed (Del. and Md.)
• 1 Cuba
• 1 Currituck Sound
• 1 Dallas
• 1 Delta (Region)
• 1 Developing countries

• 8 periodicals
• 3 Statistics
• 1 Abstracts
• 1 Census
• 1 Handbooks, manuals, etc
• 1 Periodical
• 1 Tables

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