About.com's Geography Page

Well-organized site maintained by a California State University graduate student includes 30 sub-categories covering a wide range of topics in physical and human geography.

http://geography.about.com/education/geography/

Color Landform Atlas of the United States

http://fermi.jhuapl.edu/states/states.html

The Earth from Space: An Astronaut's Views of the Home Planet

This NASA site features over 250,000 images taken from orbit. Categorized and searchable.

http://earth.jsc.nasa.gov/

Envirofacts Maps on Demand (United States Environmental Protection Agency)

The web-based mapping tools available at this site allow you to create maps for places in the coterminous United States using a variety of environmental data. The "EnviroMapper" tool "allows users to view spatial data at the national, state, and county levels, as well as utilize GIS functionality, such as displaying multiple spatial layers, zooming, panning, identifying features, and querying single Envirofacts points."

http://www.epa.gov/enviro/html/mod/

geodata.gov: U.S. Maps and Data

The geodata.gov portal, also known as the Geospatial One-Stop, serves as a public gateway for improving access to geospatial information and data under the Geospatial One-Stop e-government initiative. The geodata.gov portal is designed to facilitate communication and sharing of geographic data and resources to enhance government efficiency and improve citizen services.

http://www.geodata.gov

Geographic Information Systems - Internet Resources

Page maintained by the University of Michigan's Media Union Library includes links to several sources of geographic data and mapping tools, newsgroups, important government sites, and more.

http://www.lib.umich.edu/aael/article.php?articleID=192

Geography Network

The Geography Network is a global network of geographic information users and providers. It provides the infrastructure needed to support the sharing of geographic information among data providers, service providers, and users around the world. Through the Geography Network, you can access many types of geographic content including dynamic maps, downloadable data, and more advanced Web services. The site is sponsored by ESRI, a major commercial provider of Geographical Information Systems (GIS) software.

http://www.geographynetwork.com

National Geographic

The National Geographic Society's web site includes news, features, and an online MapMachine capable of generating dynamic maps organized around such themes as political, political, and cultural geography, climate and weather, and census statistics.

http://www.nationalgeographic.com/main.html

National Mapping Information (United States Geological Survey)

Very large storehouse of data and mapping tools includes a link to the National Atlas of the United States, as well as links to geospatial data, maps, aerial photographs, satellite images, the Geographic Names Information System database, mapping-related public-domain software, and much more.

http://mapping.usgs.gov/

Perry-Castañeda Library Map Collection (University of Texas Library)

This electronic map collection consists of approximately 2,400 maps in the public domain. The maps, taken from the library's print collection, have been scanned and placed online in image file formats. Includes many historical U.S. maps and other maps from around the world.

http://www.lib.utexas.edu/Libs/PCL/Map_collection/Map_collection.html

TIGER^® Mapping Service (United States Census Bureau)

TIGER^®, an acronym which stands for Topologically Integrated Geographic Encoding and Referencing, is a "system and digital database developed at the Census Bureau to support its mapping needs for the Decennial Census and other Bureau programs." Using census and other geographical data, the mapping service can generate detailed maps of any location in the United States.

http://tiger.census.gov/

TopoZone

This site specializes in topographic maps and claims to have "every USGS 1:100,000, 1:25,000, and 1:24,000 scale map for the entire United States; Alaska (1:63,360) and Puerto Rico (1:20,000) will be coming soon."

http://www.topozone.com/

United Nations Atlas of the Oceans

The UN Atlas of the Oceans is an Internet portal providing information relevant to the sustainable development of the oceans. It was designed for policy-makers who need to become familiar with ocean issues and for scientists, students and resource managers who need access to databases and approaches to sustainability. The site features maps, images, statistics, and other factual information.

http://www.oceansatlas.com/

WeatherNet

Forecasts, radar and satellite tracking of weather conditions, special weather maps, links, and other weather-related information; a non-profit service hosted by the University of Michigan at Ann Arbor.

http://cirrus.sprl.umich.edu/wxnet/

World Wide Web Virtual Library: Geography

http://geography.pinetree.org/

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