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


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Treaty of Lancaster Leaders of the Six Nations sign a treaty ceding territory in the colony of Virginia to King George II. Rather than including the entire body of the treaty, the text on this site has been limited to those decisions which affected Virginia's boundaries

Andrew Ellicott to Thomas Jefferson, March 6, 1803 Andrew Ellicott writes of his willingness to train Meriwether Lewis in taking measurements on his trip westward.