• 776 Steenbock Library
• 378 Law Library
• 175 Limnology Library
• 101 WHS State Archives Preservation Facility
• 95 Memorial Library
• 74 Geology and Geophysics Library (Leith)
• 53 Map Library (Robinson)
• 52 College Library
• 36 Middleton Shelving Facility
• 32 Verona Shelving Facility
• 31 UW Archives
• 30 Arboretum Research Library
• 25 Wendt Commons Library - Closed
• 13 Science Libraries Shelving Facility
• 12 Special Collections (Memorial Library)
• 12 Zoological Museum Research Library
• 11 MERIT Library
• 10 Temporary Relocation Library
• 9 Wisconsin Historical Society Archives
• 8 Cooperative Children's Book Center (CCBC)
• 8 Information School Library
• 7 AOSS Library
• 5 Ebling Library

• 6 Microforms
• 2 Maps, Atlases
• 1 Sound Recordings

• 231 Water quality management
• 196 Pollution
• 188 Water
• 169 History
• 113 Environmental aspects
• 104 Lakes
• 95 Watershed management
• 93 Water quality
• 86 Planning
• 83 Law and legislation
• 68 Groundwater
• 65 Water resources development
• 64 Soil conservation
• 55 Sewage disposal plants
• 54 Runoff
• 52 Water-supply
• 51 Land use
• 44 Sewage disposal
• 36 Fish populations
• 36 Nonpoint source pollution
• 36 United States. Environmental Protection Agency
• 35 Description and travel
• 35 Environmental policy
• 34 Outdoor recreation
• 32 Indians of North America

• 383 Wisconsin. Department of Natural Resources
• 111 Southeastern Wisconsin Regional Planning Commission
• 99 United States. General Accounting Office
• 69 Wisconsin. Department of Agriculture, Trade, and Consumer Protection
• 62 University of Wisconsin--Madison. Libraries
• 41 Poff, Ronald
• 40 United States
• 38 Wisconsin. Bureau of Water Resources Management. Nonpoint Source and Land Management Section
• 35 Wisconsin Nonpoint Source Water Pollution Abatement Program
• 28 International Joint Commission. Great Lakes Regional Office
• 27 Dane County Regional Planning Commission
• 26 Wisconsin Coastal Management Program
• 22 Wisconsin. Legislature. Legislative Council
• 21 Wisconsin. Division of Environmental Protection
• 20 United States. Bureau of Reclamation
• 19 United States. Congress. Senate. Committee on Environment and Public Works
• 19 Wisconsin. Bureau of Fish Management
• 18 International Joint Commission
• 18 International Reference Group on Great Lakes Pollution from Land Use Activities
• 18 Wisconsin. Bureau of Fisheries Management
• 17 United States. Congress. Office of Technology Assessment
• 17 Wisconsin. Department of Natural Resources. Water Quality Evaluation Section
• 16 United States. Division of Water Supply and Pollution Control
• 13 Wisconsin. Department of Resource Development
• 12 Library of Congress. Environment and Natural Resources Policy Division

• 1,821 English
• 1 French
• 1 German
• 1 Ojibwa
• 1 Spanish

• 1,088 Wisconsin
• 290 United States
• 103 Great Lakes (North America)
• 70 Great Lakes Region (North America)
• 39 Dane County
• 34 Michigan, Lake
• 25 Superior, Lake
• 24 Great Lakes
• 24 Walworth County
• 19 Great Lakes Region
• 18 Racine County
• 17 Waukesha County
• 16 Kenosha County
• 16 Milwaukee
• 16 Washington County
• 15 Mississippi River
• 13 North America
• 13 Wisconsin River Watershed
• 12 Michigan
• 11 Canada
• 10 Lake Michigan
• 10 Mississippi River Valley
• 10 Nevada
• 10 Wisconsin River Watershed (Wis.)
• 9 Door County

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