• 2,287 Geology and Geophysics Library (Leith)
• 2,182 Map Library (Robinson)
• 142 Memorial Library
• 29 Wisconsin Historical Society Library
• 17 Steenbock Library
• 15 Wisconsin's Water Library
• 10 Wisconsin Historical Society Archives
• 6 Verona Shelving Facility
• 1 Middleton Shelving Facility

• 3,219 Maps, Atlases
• 2,789 Books
• 122 Microforms
• 51 Journals, Magazines, Newspapers
• 6 Computer file
• 4 Photos, Drawings, Prints
• 3 Remote Sensing Images
• 1 Manuscripts, Theses
• 1 Videos, Slides, Films

• 761 Geology
• 444 Groundwater
• 303 Water-supply
• 281 Water quality
• 206 Earthquakes
• 171 Geology, Stratigraphic
• 167 Environmental aspects
• 152 Mines and mineral resources
• 123 Quality
• 119 Faults (Geology)
• 109 Water
• 103 Pollution
• 97 Groundwater flow
• 91 Seismology
• 88 Water resources development
• 81 Geochemical prospecting
• 78 Geomagnetism
• 76 Stream measurements
• 73 Measurement
• 70 Landslides
• 69 Hydrogeology
• 66 Analysis
• 65 Wildfires
• 62 Natural disasters
• 55 Fires

• 665 United States. Forest Service
• 340 California. Department of Water Resources
• 122 California. State Water Resources Control Board
• 80 United States. Bureau of Land Management
• 71 Belitz, Kenneth
• 62 California. Division of Mines and Geology
• 53 Clark, Perry S
• 53 Dibblee, T. W. (Thomas Wilson), 1911-2004
• 51 United States. Defense Mapping Agency. Hydrographic/Topographic Center
• 50 United States. Bureau of Reclamation
• 49 United States. Department of Housing and Urban Development
• 46 United States
• 45 U.S. Fish and Wildlife Service
• 42 National Water-Quality Assessment Program (U.S.)
• 39 Ground Water Ambient Monitoring and Assessment Program (Calif.)
• 36 United States. Bureau of Land Management. California State Office
• 35 McGlashan, H. D. (Harry Deyoe), 1879-
• 34 United States. Army. Corps of Engineers
• 31 Brabb, Earl E., 1929-
• 31 National Operations Center (U.S.)
• 30 United States. National Park Service
• 30 Yerkes, R. F., 1923-
• 26 Jachens, Robert C
• 26 San Joaquin Valley Drainage Program

• 6,024 English
• 6 Spanish

• 313 Nevada
• 188 San Francisco Bay Area
• 185 San Bernardino County
• 133 Pacific Coast
• 122 United States
• 119 Oregon
• 111 San Francisco Bay
• 92 San Joaquin Valley
• 89 Inyo County
• 89 Lassen National Forest (Calif.)
• 81 San Diego County
• 79 Los Padres National Forest (Calif.)
• 78 Los Angeles County
• 76 Riverside County
• 75 Modoc National Forest (Calif.)
• 75 Plumas National Forest (Calif.)
• 73 Shasta National Forest (Calif.)
• 70 Trinity National Forest (Calif.)
• 68 Arizona
• 62 Inyo National Forest (Calif. and Nev.)
• 61 U.S
• 60 Klamath National Forest (Calif. and Or.)
• 52 Santa Barbara County
• 49 Kern County

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