• 2,423 Steenbock Library
• 2,183 Middleton Shelving Facility
• 1,822 Wisconsin Historical Society Library
• 1,542 Memorial Library
• 1,406 Geology and Geophysics Library (Leith)
• 909 Verona Shelving Facility
• 637 Law Library
• 474 Limnology Library
• 332 Cooperative Children's Book Center (CCBC)
• 317 MERIT Library
• 309 Science Libraries Shelving Facility
• 281 College Library
• 259 Wendt Commons Library - Closed
• 156 Arboretum Research Library
• 155 UW Archives
• 125 WHS State Archives Preservation Facility
• 116 AOSS Library
• 105 Map Library (Robinson)
• 71 Information School Library
• 60 Ebling Library
• 36 Zoological Museum Research Library
• 25 Special Collections (Memorial Library)
• 21 Social Work Library (Franks)
• 16 Temporary Relocation Library

• 59 Microforms
• 13 Maps, Atlases
• 5 Sound Recordings
• 2 Computer file
• 2 Manuscripts, Theses
• 2 Music Scores
• 1 Videos, Slides, Films

• 1 Cassette Tapes
• 1 Compact Discs

• 1,584 Water
• 1,330 Pollution
• 1,132 Environmental aspects
• 867 Water quality
• 834 Groundwater
• 827 Water resources development
• 811 Water quality management
• 626 Purification
• 622 Water-supply
• 500 Mathematical models
• 459 Sewage
• 401 History
• 378 Law and legislation
• 313 Research
• 283 Waste disposal
• 270 Hydrology
• 253 Watershed management
• 243 Measurement
• 239 Lakes
• 233 Management
• 232 Economic aspects
• 219 Climatic changes
• 217 Fishes
• 215 Land use
• 212 Sewage disposal

• 775 Geological Survey (U.S.)
• 537 Wisconsin. Department of Natural Resources
• 463 United States
• 290 United States. Environmental Protection Agency. Office of Research and Development
• 279 United States. Environmental Protection Agency
• 261 United States. Army. Corps of Engineers
• 238 Coastal Engineering Research Center (U.S.)
• 211 United States. General Accounting Office
• 210 U.S. Army Engineer Waterways Experiment Station
• 158 United States. Environmental Protection Agency. Office of Research and Monitoring
• 154 National Council of the Paper Industry for Air and Stream Improvement (U.S.)
• 121 United States. Office of Water Resources Research
• 120 Southeastern Wisconsin Regional Planning Commission
• 111 United States. Soil Conservation Service
• 100 United States. Office of Water Research and Technology
• 99 Municipal Environmental Research Laboratory
• 99 University of Wisconsin--Madison. Water Resources Center
• 85 University of Wisconsin--Madison. Libraries
• 79 Robert S. Kerr Environmental Research Laboratory
• 77 National Council for Air and Stream Improvement
• 76 University of Wisconsin Sea Grant Institute
• 75 Wisconsin Geological and Natural History Survey
• 73 United States. Environmental Protection Agency. Office of Water
• 72 California. Department of Water Resources
• 71 University of Wisconsin--Madison

• 24,051 English
• 623 Unknown
• 24 French
• 16 Ojibwa
• 15 Spanish
• 4 Russian
• 2 German
• 2 North American Indian (Other)
• 1 Chamorro
• 1 Dutch
• 1 Japanese
• 1 Korean
• 1 Nahuatl
• 1 Polish
• 1 Undetermined

• 2,345 United States
• 2,145 Wisconsin
• 459 Great Lakes (North America)
• 235 Great Lakes Region (North America)
• 232 California
• 137 Michigan, Lake
• 136 North Carolina
• 133 Michigan
• 117 Minnesota
• 114 Hawaii
• 109 Illinois
• 103 North America
• 93 Superior, Lake
• 89 Florida
• 81 Canada
• 80 Great Lakes
• 79 Mississippi River
• 76 New York (State)
• 71 Dane County
• 64 Texas
• 62 Erie, Lake
• 62 Middle West
• 60 West (U.S.)
• 56 Pennsylvania
• 55 New Mexico

Limit year range