July 16, 1806

Off to the Marias

Lewis heads to the Marias River while Gass prepares wagon trucks above the Great Falls. Clark moves down the Yellowstone River by horse and Ordway paddles through the Gates of the Mountains.

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April 7, 1805

Leaving Fort Mandan

The permanent party—under Capts. Lewis and Clark—leaves Fort Mandan in six dugout canoes and two larger pirogues bound for the Pacific Ocean. They make it only as far as Mitutanka, one of the Knife River Villages. The return party—under Cpl. Warfington—takes the barge and one canoe down the Missouri headed for St. Louis.

In Washington City, James Wilkinson writes to James Madison, United States Secretary of State, accepting his appointment as Governor of Louisiana Territory.

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Discover More

  • The Lewis and Clark Expedition: Day by Day by Gary E. Moulton (University of Nebraska Press, 2018). The story in prose, 14 May 1804–23 September 1806.
  • The Lewis and Clark Journals: An American Epic of Discovery (abridged) by Gary E. Moulton (University of Nebraska Press, 2003). Selected journal excerpts, 14 May 1804–23 September 1806.
  • The Lewis and Clark Journals. by Gary E. Moulton (University of Nebraska Press, 1983–2001). The complete story in 13 volumes.