Late July, 1805 (9h 9min, jul 25, 1805 y – 4h 58min, jul 31, 1805 y)
Description:
They reach the three forks of the Missouri River, and name them the Gallatin, the Madison, and the Jefferson. The expedition continues southwest, up the Jefferson.Added to timeline:
Date:
9h 9min, jul 25, 1805 y
4h 58min, jul 31, 1805 y
~ 6 days