Maps on the Web

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CIA Reference Maps
A series of country maps taken from The World FactBook.

Emaps (HUD)
State, county and census tract maps showing public housing and environmental risks. Layers indicate air, water, or solid waste pollution in public housing projects or brownfields. Colors can be used to show census data (race, education, income, age of housing, housing value or rent).

Geo Data Portal
A portal for finding and using federal, state and local geographic data and maps.


Provides daily high-resolution image information of the Earth's surface from an altitude of 438 miles above the Earth. The LANDSAT World-Wide Reference System catalogs the world's landmass into scenes 115 miles wide by 106 miles long.

Library of Congress American Memory Map Collections 1500-1999

Digital maps from seven historical categories including military battles and campaigns, cities and towns, transportation and communication maps.

MapMaker Interactive
From National Geographic

National Atlas of the United States (USGS)
Determine geographic location by zooming in on map of the U.S. Layers can be superimposed to show roads, parks, railroads, cities, volcanoes, and other geographic features.

National Imagery and Mapping Agency (NIMA)
Provide geospatial intelligence and services to policy makers, the military and federal agencies to ensure a knowledge foundation for planning, decisions and action in support of national security.

TIGER Topologically Integrated Geographic Encoding and Referencing System
Contains links to TIGER and other online maps and cartographic resources from the U.S. Census Bureau that access and plot various demographic information.

Topographic Map Symbols (USGS)
An online guide to understanding and using topographic maps which includes information on scale, symbols, and features of USGS topographic maps.

Wisconsin State Cartographer's Office
Provides information about most every kind of map in Wisconsin, as well as a great deal of background information on the basics of surveying, geodetic control, satellite imagery, photogrammetry and orthophotography.

Wisconsin Geological and Natural History Survey
Includes maps, records, and reports that provide interpretations, recommendations, and basic data for resource, land-use, and environmental management.

Wisconsin Maps
This site includes a blank outline map, a color landform atlas and other maps and geographic information about Wisconsin.

United Nations Cartographic Section
General political maps by region of the world. Detailed maps on UN peacekeeping missions with pull-down menus describing the mission and all UN deployments.

Perry-Castañeda Library Map Collection(Univ.Texas)
Includes extensive links to city, state, and national maps from around the world. Other links access historical and weather maps, and a cartographic reference section with information from map guides, gazetteers, distance calculators, and time zone maps. It also contains information about map symbols, map projections, and map scales.

Updated October 2012

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