Grouse creek, Missouri River (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"three miles beyond this we came to the entrance of a creek twenty yards wide, though with little water, which we called Grouse creek"