Journey of the Corps of Discovery PBS site about the Ken Burns documentary, with lots of info

Notable Women Ancestors: Sacagawea

Birthplace of Sacagawea: Lemhi County, Idaho

Sacagawea info from author of "Woman Spirit" 

Biography of Sacagawea from Biographybase.com

Sacagawea, Guide to the West From about.com Women's History site. Also has links toother Sacagawea sites

Sacagawea: hero history

National Park site on Lewis & Clark & Sacagawea