• 6,708 Map Library (Robinson)
• 137 Wisconsin Historical Society Archives
• 23 Memorial Library
• 5 Wisconsin Historical Society Library
• 3 Middleton Shelving Facility
• 2 AOSS Library
• 2 Steenbock Library
• 2 Verona Shelving Facility
• 1 Special Collections (Memorial Library)

• 2,004 Journals, Magazines, Newspapers
• 4 Books
• 1 Mixed Materials

• 2,312 Harbors
• 752 Nautical charts
• 123 Intracoastal waterways
• 50 Coasts
• 38 Anchorage
• 34 Fjords
• 26 Petroleum shipping terminals
• 19 Canals
• 10 Pilot guides
• 9 Sounds (Geomorphology)
• 7 Waterfronts
• 6 Early maps
• 6 History
• 5 Coral reefs and islands
• 5 Inland navigation
• 5 Lighthouses
• 5 Offshore oil and gas leases
• 4 Gas fields
• 4 Great Britain. Colonial Office
• 4 Islands
• 4 Lembaga Pelabohan Kelang
• 4 Maps
• 4 Shorelines
• 4 Straits

• 2,046 United States Coast Survey
• 1,801 United States. Defense Mapping Agency. Hydrographic/Topographic Center
• 1,082 United States. National Ocean Service
• 940 United States. National Imagery and Mapping Agency
• 705 United States. Defense Mapping Agency
• 550 U.S. Coast and Geodetic Survey
• 344 National Ocean Survey
• 175 Canadian Hydrographic Service
• 85 U.S. Lake Survey
• 81 Japan. Kaijō Hoanchō. Suirobu
• 68 United States
• 52 United States. National Geospatial-Intelligence Agency
• 40 Australia. Hydrographic Service
• 30 France. Service hydrographique et océanographique de la marine
• 26 Great Britain. Hydrographic Department
• 24 Fisk, W. L. (Walter Leslie), 1855-
• 22 United States. Army. Corps of Engineers
• 19 Raynolds, W. F. (William Franklin), 1820-1894
• 17 Great Britain. Admiralty
• 16 Brazil. Diretoria de Hidrografia e Navegação
• 15 Deutsches Hydrographisches Institut
• 14 Graham, J. D. (James Duncan), 1799-1865
• 14 Norges sjøkartverk
• 13 United States. Army. Corps of Engineers. Nashville District
• 12 Geological Survey (U.S.)

• 7,733 English
• 85 French
• 58 Japanese
• 15 Norwegian
• 11 German
• 9 Spanish
• 9 Swedish
• 5 Indonesian
• 3 Arabic
• 3 Korean
• 2 Unknown
• 1 Dutch
• 1 Italian

• 650 Mexico, Gulf of
• 623 North Pacific Ocean
• 393 Caribbean Sea
• 288 North Atlantic Ocean
• 219 Mediterranean Sea
• 190 Japan
• 183 South Pacific Ocean
• 181 Chesapeake Bay (Md. and Va.)
• 180 Indian Ocean
• 161 Michigan, Lake
• 160 Persian Gulf
• 154 Gulf Intracoastal Waterway
• 150 Pacific Coast (Calif.)
• 128 Gulf Coast (Fla.)
• 128 South Atlantic Ocean
• 126 North Sea
• 125 Erie, Lake
• 124 Australia
• 112 Bering Sea
• 106 Norway
• 99 Long Island Sound (N.Y. and Conn.)
• 97 Alaska, Gulf of (Alaska)
• 93 Pacific Coast (Hawaii)
• 92 Superior, Lake
• 91 Baltic Sea

Limit year range