This is Montana: Montana's Greatest Wonder: The Missouri River (Part 2 of 5)

Almost immediately upon departing the Three Forks area, the newly formed Missouri is neatly tucked into a mini-gorge. Then, only 16 miles from its inception, the Toston Reservoir and Dam decelerate its flow. After traversing the "Little Gates of the Mountains," so noted on Clark's map of July 25, 1805, as "2d range of mts - little gate," near the small village of Toston, the river will soon pl...