Clarks Fork, Montana, 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"At the distance of twenty-nine miles, a river falls in from the south. This was the river supposed to be the Bighorn; but afterwards, when the Bighorn was found, the name of Clarke’s fork was given to this stream."