This activity can be used as an introduction or for a closer study of the Lewis & Clark Expedition. Students will learn that the United States purchased the Louisiana Territory in 1803 and President Thomas Jefferson sent Lewis and...

This 1902 work is available here from the University of Virginia. It includes illustrations and, according to the author, is taken largely from the accounts written by the explorers themselves.

This resource describes how Lewis and Clark described various animals two centuries ago.