Census TIGER Mapping Service http://tiger.census.gov/
Generate high-quality, detailed maps of anywhere in the United States, using public
geographic data
CIA World Factbook http://www.odci.gov/cia/publications/factbook/index.html
Information on area, people, government, economy, communications, transportation, and
military for every country in the world. Also includes maps of each country and some
special reference maps.
CIA Maps of Europe (University of Texas) http://www.lib.utexas.edu/Libs/PCL/Map_collection/europe.html
High quality scanned images of CIA maps.
CIA Maps of the Middle East (University of Texas) http://www.lib.utexas.edu/Libs/PCL/Map_collection/Atlas_middle_east/Atlas_middle_east.html
High quality scanned images of CIA maps.
Demographic Data Viewer Home Page http://plue.sedac.ciesin.org/plue/ddviewer/index.html
PUMA (census) matrixes for the US; several viewer options.
EPA Maps on Demand http://www.epa.gov/enviro/html/mod/
The enviromapper allows you to view a variety of environmental data on a customized map.
Free Map Page With Index http://www.freemap.com/free.htm
The map store of Minnesota offers a listing of where to write to get state maps from
several participating states for free.
INSCDB Nuclear Reactor Maps: The World http://www.insc.anl.gov/maps/world.html
This interactive map allows you to view how many nuclear reactors are in the world, by
country, and what types of reactors they are.
Library of Congress Geography and Map Reading Room http://lcweb.loc.gov/rr/geogmap/
There are many images of historical maps (1544-1996) in the American Memory collection, as
well as details about ongoing work at the Library of Congress.
NPS Division of Publication: Digital Maps Data Directory http://www.nps.gov/htdocs3/hfc/carto/data.html
View maps of every national park.
National Aeronautical and Space Administration http://www.nasa.gov
National Geographic MapMachine http://www.nationalgeographic.com/mapmachine/
While not technically a government web site, this is just too nice to not include it here.
- National Imagery and Mapping Agency (NIMA) http://164.214.2.59/nimahome.html
Geospatial Data and highly accurate maps are the focus of this site.
United Nations Cartographic Section http://www.un.org/Depts/Cartographic/english/htmain.htm
This resource provides over 100 maps from from all over the world. Especially
interesting are the peacekeeping mission maps.
United States Geological Survey (USGS) http://www.usgs.gov/
The USGS is the nations principal mapping agency. They have many tools and maps
available online.
