Northmountain Creek, Missouri River, United States (Google Maps ⧉, OpenStreetMap ⧉)
Referenced In
History of the Expedition under the Command of Captains Lewis and Clark / To the Sources of the Missouri, Thence Across the Rocky Mountains and Down the River Columbia to the Pacific Ocean
by Meriwether Lewis, William Clark"A man who was sent up to explore the country returned in the evening, after having gone ten miles directly towards the ridge of mountains … This stream we called Northmountain creek."