• 1,145 Geology and Geophysics Library (Leith)
• 76 Wisconsin's Water Library
• 11 Steenbock Library
• 6 Memorial Library
• 2 Map Library (Robinson)
• 2 Middleton Shelving Facility
• 2 Wendt Commons Library - Closed
• 1 Wisconsin Historical Society Library

• 2,191 Books
• 136 Microforms
• 43 Maps, Atlases
• 5 Journals, Magazines, Newspapers
• 4 Computer file

• 1,189 Water
• 1,141 Groundwater
• 991 Environmental aspects
• 422 Water quality
• 192 Pesticides
• 167 Quality
• 119 Nitrates
• 118 Groundwater flow
• 113 Measurement
• 98 Hydrogeology
• 81 Volatile organic compounds
• 76 Water-supply
• 69 Arsenic
• 55 Hydrogeological surveys
• 51 Analysis
• 51 Nutrient pollution of water
• 51 Radioactive pollution of water
• 51 River sediments
• 51 Sampling
• 50 Water quality management
• 49 Aquifers
• 42 Drinking water
• 42 Research
• 41 Mathematical models

• 181 National Water-Quality Assessment Program (U.S.)
• 102 United States. Environmental Protection Agency
• 81 United States. Department of Energy
• 36 United States. Federal Aviation Administration
• 34 United States. Bureau of Reclamation
• 32 United States. Bureau of Land Management
• 27 Wyoming. Department of Agriculture
• 24 Vroblesky, Don A
• 23 Oakland County (Mich.)
• 23 United States. National Park Service
• 23 Wisconsin. Department of Natural Resources
• 22 Aichele, Steve S. (Stephen Scranton)
• 22 U.S. Geological Survey Toxic Substances Hydrology Program
• 21 Hill-Rowley, Richard
• 21 Malone, Matt
• 21 United States. Air Force
• 21 University of Michigan--Flint. Center for Applied Environmental Research
• 20 New York (State). Department of Environmental Conservation
• 17 Eddy-Miller, Cheryl A
• 17 New Jersey. Department of Environmental Protection
• 17 U.S. Fish and Wildlife Service
• 17 United States. Naval Facilities Engineering Command. Southern Division
• 16 Dorava, Joseph M
• 16 Wyoming. Department of Environmental Quality

• 2,237 English
• 1 Navajo
• 1 Spanish

• 176 United States
• 107 California
• 92 Colorado
• 77 Idaho
• 70 Florida
• 70 Massachusetts
• 68 Washington (State)
• 67 New York (State)
• 64 Texas
• 63 New Jersey
• 57 Wisconsin
• 55 Michigan
• 53 Pennsylvania
• 52 Alaska
• 52 Minnesota
• 45 Kansas
• 43 Nevada
• 40 Ohio
• 39 Wyoming
• 33 Indiana
• 33 Maryland
• 30 Illinois
• 30 Tennessee
• 29 Oklahoma
• 29 South Carolina

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