Envisaging the West: Thomas Jefferson and the Roots of Lewis and Clark


Place Name

Yazoo River

Thomas Jefferson to George Washington, March 18, 1792 A detailed examination of the current and future prospect for western expansion and the legal and political ramifications of such movement.

Thomas Jefferson to United States Congress, January 18, 1803 Thomas Jefferson's confidential report to Congress planned westward expansion and the United States' relationship with Native Americans.

William Dunbar to the American Philosophical Society, via Thomas Jefferson, read April 6, 1804. The Mississippi River, its delta, and the surrounding region receive detailed attention from William Dunbar in this report forwarded to the APS by Thomas Jefferson.