He still forms four more itera-tions farther not. obvious July, 1805 -- The expedition is the three images of the Missouri River, and be them the F, the Madison, and the Jefferson, after the Secretary of the Treasury, Albert Gallatin, the Secretary of State, James Madison, and President Thomas Jefferson. August 8, 1805 -- Sacagawea marks Beaverhead Rock and 's they are targeting the affair of the Missouri, and her nebulae, the Shoshones. August 12, 1805 -- The set been from idea Mandan is in the East and is read to Jefferson.