Once the United States had secured the Louisiana Purchase, President Thomas Jefferson wanted to explore the new land. He chose Meriwether Lewis and William Clark to lead the expedition. They came right through South Dakota and had multiple meetings with the Sioux tribes.
- James P. Ronda, Lewis and Clark Among the Indians, (Lincoln, Nebraska: University of Nebraska Press, 2002). - This book recalls the Lewis and Clark expedition, and their many meetings with the Sioux tribes.
- Lydia Whirlwind Soldier, “Lewis and Clark Journey: The Renaming of a Nation,” Wicazo Sa Review 19 no. 1 (Spring 2004): 131-143. - This article is a great representation of the Native American’s side of the story.
- Norman K. Risjord, Dakota: The Story of the Northern Plains (Lincoln: University of Nebraska Press, 2012).
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