Geocommons
This site is a great place to start if you're thinking about making thematic maps online. You'll need to upload your data so be sure to refresh yourself on thematic mapping before starting here. A sample thematic map using collegiate roster data (Oregon State Football players by Home State) is shown below. Geocommons.com
Gapminder
This site offers a great tool for creating data visualizations. You could use this site to create thematic charts and maps using multiple years of rosters, following our thematic map exercise "Players by Home State." Gapminder.org
About.com
Geography Guide Matt Rosenberg offers great resources and information at About.com. Be sure to sign up for the newsletter when visiting the site.
ESRI
ESRI offers free web map tools from their web site. This program allows you to use geographic information systems (GIS) to create maps and communicate specific information. From the web site, look for their "mapping for everyone" software. ESRI.com
National Geographic
National Geographic offers great map resources from their web site. Free outline maps can be found under the Educator Resources tab on their Education page. There are so many resources here that you might need to block out an entire afternoon to discover all that they offer teachers!
