Fort Mountain, 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"…in a course south 75° west, and at the distance of eight miles is a mountain, which from its appearance we shall call Fort Mountain. It is situated in the level plain…"