Onion Creek, North Dakota, 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"…and a creek on the north at the distance of nine miles, which we called Onion creek, from the quantity of that plant which grows in the plains near it:"