This is Montana: Montana's Greatest Wonder: The Missouri River

When the Missouri River puts Cascade behind, it looks out toward the sunset and the distant Rocky Mountain Front, the range of mountains that gave Montana its label "Land of the Shining Mountains."

On July 18, Lewis wrote, "We passed the entrance a beautifull river 80 yards wide which falls in a Lard (left side). Which in honour of Mr. Roberts Smith secretary of the navy we called Smiths River. Th...