On September 9, 1803, Meriwether Lewis departed from Wheeling on the first leg of the Corps of Discovery's expedition to explore western lands purchased from France.
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Meriwether Lewis to President Thomas Jefferson,
September 8, 1803
Extracts From the Journal of Meriwether
Lewis
"Death of Patrick Gass"
Title Page of the Journal of Patrick Gass
Sources on Patrick Gass
Document-Based Questions