• 1,000 Geology and Geophysics Library (Leith)
• 70 Wisconsin's Water Library
• 41 Memorial Library
• 8 Steenbock Library
• 3 Wisconsin Historical Society Archives
• 2 Map Library (Robinson)
• 2 Verona Shelving Facility
• 1 Middleton Shelving Facility
• 1 Science Libraries Shelving Facility
• 1 Wendt Commons Library - Closed
• 1 Wisconsin Historical Society Library

• 2,029 Books
• 72 Microforms
• 34 Maps, Atlases
• 6 Journals, Magazines, Newspapers
• 4 Computer file

• 1,134 Pollution
• 582 Environmental aspects
• 539 Water quality
• 288 Groundwater
• 252 Analysis
• 227 Water-supply
• 225 Composition
• 155 Measurement
• 139 Pesticides
• 98 Nitrogen content
• 98 Sampling
• 85 Phosphorus content
• 79 Stream measurements
• 75 Hydrology
• 75 Water quality management
• 69 Pesticide content
• 69 Quality
• 61 Nutrient pollution of water
• 61 Streamflow
• 60 River sediments
• 56 Dissolved oxygen
• 55 Hydrogeological surveys
• 55 Storage
• 54 Purification

• 148 National Water-Quality Assessment Program (U.S.)
• 72 United States. Environmental Protection Agency
• 51 United States. Bureau of Reclamation
• 30 United States. Bureau of Land Management
• 29 United States. National Park Service
• 26 United States. Congress. House
• 26 Wells, J. V. B.
• 20 United States. Department of Energy
• 18 New York (State). Department of Environmental Conservation
• 18 United States. Army. Corps of Engineers
• 18 Wisconsin. Department of Natural Resources
• 15 Massachusetts. Department of Environmental Protection
• 15 National Water-Quality Laboratory (U.S.)
• 15 U.S. Fish and Wildlife Service
• 14 Gilliom, Robert J
• 14 Grover, Nathan Clifford
• 14 New Jersey. Department of Environmental Protection
• 12 Kansas. Department of Health and Environment
• 12 Louisiana
• 11 Francy, Donna S
• 11 Kuivila, Kathryn M
• 11 New Mexico
• 11 United States. Bureau of Indian Affairs
• 11 United States. Forest Service

• 2,070 English
• 1 Spanish

• 245 United States
• 107 California
• 79 Colorado
• 65 Texas
• 58 Washington (State)
• 55 Wisconsin
• 53 Oregon
• 52 Florida
• 47 New York (State)
• 46 Ohio
• 45 Kansas
• 41 Massachusetts
• 39 New Jersey
• 38 Nevada
• 35 Pennsylvania
• 32 Mississippi River Watershed
• 31 Idaho
• 27 Minnesota
• 26 Missouri River Watershed
• 26 Nebraska
• 25 New Mexico
• 25 Wyoming
• 24 Montana
• 24 Oklahoma
• 24 Virginia

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