• 6,707 Map Library (Robinson)
• 137 Wisconsin Historical Society Archives
• 20 Memorial Library
• 5 Wisconsin Historical Society Library
• 3 Middleton Shelving Facility
• 2 AOSS Library
• 2 Steenbock Library
• 1 Special Collections (Memorial Library)
• 1 Verona Shelving Facility

• 2,012 Journals, Magazines, Newspapers
• 8 Books
• 1 Mixed Materials
• 1 Unspecified

• 2,515 Harbors
• 1,012 Nautical charts
• 215 Intracoastal waterways
• 62 Coasts
• 38 Anchorage
• 34 Fjords
• 30 Petroleum shipping terminals
• 27 Canals
• 13 Inland navigation
• 13 Waterfronts
• 12 Pilot guides
• 10 Boats and boating
• 9 Islands
• 9 Sounds (Geomorphology)
• 6 Aids to navigation
• 6 Early maps
• 6 History
• 6 LOOP, Inc
• 6 Lighthouses
• 6 Rivers
• 5 Coral reefs and islands
• 5 Maps
• 5 Offshore oil and gas leases
• 4 Gas fields

• 3,192 United States Coast Survey
• 1,820 United States. Defense Mapping Agency. Hydrographic/Topographic Center
• 1,364 United States. National Ocean Service
• 943 United States. National Imagery and Mapping Agency
• 709 United States. Defense Mapping Agency
• 657 U.S. Coast and Geodetic Survey
• 610 National Ocean Survey
• 187 Canadian Hydrographic Service
• 110 U.S. Lake Survey
• 101 United States
• 84 Japan. Kaijō Hoanchō. Suirobu
• 80 United States. National Oceanic and Atmospheric Administration
• 75 United States. Defense Mapping Agency. Hydrographic Center
• 52 United States. National Geospatial-Intelligence Agency
• 45 Australia. Hydrographic Service
• 35 United States. Army. Corps of Engineers
• 34 France. Service hydrographique et océanographique de la marine
• 32 Great Britain. Hydrographic Department
• 25 Fisk, W. L. (Walter Leslie), 1855-
• 24 Great Britain. Admiralty
• 23 Bache, A. D. (Alexander Dallas), 1806-1867
• 23 Great Britain. Hydrographic Office
• 22 Raynolds, W. F. (William Franklin), 1820-1894
• 21 United States. War Department. Corps of Engineers
• 19 Brazil. Diretoria de Hidrografia e Navegação

• 87 French
• 59 Japanese
• 15 Norwegian
• 9 German
• 9 Swedish
• 8 Spanish
• 5 Indonesian
• 3 Arabic
• 3 Korean
• 2 Italian
• 2 Unknown
• 1 Dutch
• 1 Hebrew
• 1 Turkish

• 1,136 Mexico, Gulf of
• 677 North Pacific Ocean
• 412 Caribbean Sea
• 362 Chesapeake Bay (Md. and Va.)
• 350 North Atlantic Ocean
• 269 Gulf Intracoastal Waterway
• 261 Michigan, Lake
• 227 Mediterranean Sea
• 211 Erie, Lake
• 198 South Pacific Ocean
• 192 Gulf Coast (Fla.)
• 192 Indian Ocean
• 192 Japan
• 172 Atlantic Intracoastal Waterway
• 160 Persian Gulf
• 159 Pacific Coast (Calif.)
• 146 Atlantic Coast (Fla.)
• 145 Long Island Sound (N.Y. and Conn.)
• 140 Florida
• 136 South Atlantic Ocean
• 134 Atlantic Coast (N.C.)
• 128 Gulf Coast (Tex.)
• 128 North Sea
• 127 Gulf Coast (La.)
• 127 Huron, Lake (Mich. and Ont.)

Limit year range