Harper's Ferry, Missouri River, 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"We were now occupied in fitting up a boat of skins, the frame of which had been prepared for the purpose at Harper's ferry."