The Sulphur Springs area of the Missouri River was used by Lewis and Clark on their expedition. Meriwether Lewis’ journal recounted that Sacagawea took ill near these banks saying “our Indian woman sick and low spirited." Her “pulse were…

The Lewis and Clark Expedition—or the Corps of Discovery, as it was officially known—reached the Great Falls of the Missouri River on June 13, 1805. The company was elated to arrive at the falls, becoming the “first white men to see the Great Falls…

While canoeing the Jefferson River near the Missouri River’s headwaters trapping beavers in 1809, John Colter and his companion, John Potts, were called ashore by a large party of Blackfoot Indians. Colter knew about the Atsinas and Blackfoot…