• 1,219 Memorial Library
• 156 Wisconsin's Water Library
• 65 Wisconsin Historical Society Library
• 36 Steenbock Library
• 33 Science Libraries Shelving Facility
• 31 Verona Shelving Facility
• 28 Middleton Shelving Facility
• 25 Law Library
• 17 WHS State Archives Preservation Facility
• 13 Map Library (Robinson)
• 11 AOSS Library
• 9 Limnology Library
• 9 Wisconsin Historical Society Archives
• 7 College Library
• 7 Special Collections (Memorial Library)
• 7 Wendt Commons Library - Closed
• 7 Zoological Museum Research Library
• 5 Arboretum Research Library
• 4 Ebling Library
• 3 Information School Library
• 1 AMP Library
• 1 MERIT Library
• 1 Shared Print Repositories

• 105 Microforms
• 7 Maps, Atlases
• 2 Computer file

• 1,022 Water-supply
• 929 Water quality
• 495 Geology
• 336 Groundwater
• 186 Water
• 181 Geology, Stratigraphic
• 176 Mines and mineral resources
• 163 Research
• 144 Hydrology
• 131 Environmental aspects
• 121 Stream measurements
• 120 Geological Survey (U.S.)
• 104 Pollution
• 101 Artesian wells
• 100 Earthquakes
• 96 Paleontology
• 91 Water resources development
• 87 History
• 84 Petroleum
• 81 Composition
• 68 Measurement
• 66 Floods
• 65 Analysis
• 65 Data processing
• 65 Seismology

• 2,533 Geological Survey (U.S.)
• 56 Wells, J. V. B
• 35 National Water-Quality Assessment Program (U.S.)
• 35 Paulsen, Carl G
• 34 Love, S. K. (Samuel Kenneth), 1903-1995
• 32 United States
• 27 United States. Department of the Interior
• 25 National Earthquake Hazards Reduction Program (U.S.)
• 25 Stover, Carl W
• 24 Geological Society of America
• 20 Jacobson, Muriel L
• 17 National Science Foundation (U.S.)
• 16 Campbell, Marius R. (Marius Robinson), 1858-1940
• 16 National Cartographic Information Center
• 15 American Geological Institute
• 15 United States. Bureau of Mines
• 14 Cohee, George V. (George Vincent), 1907-1990
• 14 Hays, Walter W
• 14 Sayre, A. N. (Albert Nelson), 1901-1967
• 14 U.S. Atomic Energy Commission
• 14 United States. Department of Energy
• 13 Gannett, Henry, 1846-1914
• 12 American Association of Petroleum Geologists
• 12 Minsch, J. H
• 12 Newell, Frederick Haynes, 1862-1932

• 103 Mexico, Gulf of
• 102 Mississippi River Watershed
• 80 Atlantic States
• 78 Columbia River Watershed
• 66 Saint Lawrence River Watershed
• 65 Missouri River Watershed
• 64 California
• 57 Colorado River Watershed (Colo.-Mexico)
• 57 Ohio River Watershed
• 55 Hudson Bay
• 52 Northeastern States
• 49 Oregon
• 49 Pacific Coast
• 48 Canada
• 46 Texas
• 45 Great Basin
• 45 Washington (State)
• 33 Colorado
• 32 États-Unis
• 30 West (U.S.)
• 29 Utah
• 28 Hawaii
• 28 Southern States
• 24 North America

Limit year range