PBS Online: Lewis and Clark - Companion site to the Ken Burns film, 'Lewis and Clark: The Journey of the Corps of Discovery.' Information on the explorers, expedition journals, trip timeline and maps, interviews with historical experts, an overview of Native American tribes, and classroom lessons.
In 1806, over a camp fire and food, Nez Perce Indian chiefs made a map for William Clark showing a short and safe journey through the Rockies. Harriet Baskas reports on this recently rediscovered rare Indian map. Part of the Hidden Treasures Radio Project. [5:42 Realaudio broadcast] (March 19, 2004)