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Groundspeak Inc.: Geocaching the Official Global Gps Cache Hunt Site
Geocaching is a unique online treasure hunt game. Players 'hide' a cache anywhere on the globe and other players must follow the clues to locate the cache. Great for getting practice using GPS. There is plenty of guidance to playing, as...
Oxfam
Oxfam: Sudan
Sudanese geography, history, environment, people and society as well as the work that Oxfam is doing in Sudan is described in this informative page from the international aid agency that fights poverty globally.
PBS
Pbs: American Experience: Mass Exodus From the Plains
This site is from PBS.org explaining the migration of people out of the plains during the dust bowl. Use this article to learn all about the reasons people left and where they went.