PBS
Pbs: Lewis and Clark and Native Americans, Part Two
A great site for a lesson plan looking at the geography of where the Dakota Sioux lived and the impact on their way of life brought about by the Corps of Discovery. Online resources are provided as well as lesson plans, teaching...
Other
The Weekly South Dakotan: South Dakota History for 4th Grade
From the very beginning and through the twentieth century, this comprehensive collection of lessons will enrich students studying the history in between and the effects on South Dakota.
PBS
Pbs: Lewis and Clark: Teton Sioux Indians
A look at the hostile encounter between the Teton Sioux and the men of the Corps of Discovery on their voyage up the Missouri River in 1804. From PBS.