Relief shown by hachures. Prime meridians: London and Philadelphia. Reprint of: The Upper territories of the United States. In General atlas of the world and quarters / Mathew Carey. Philadelphia : M. Carey, 1814. Appears as Figure 5 in Indiana Gazetteer produced by the U.S.G.S. Professional Paper 1200-I. "The National Gazetteer of the United States of America--Indiana 1988. Prepared by the U.S. Geological Survey in cooperation with the U.S. Board on Geographic names., Imprint: [Reston, Va.] : [The Survey], [1988], Dimensions: 29 cm or less; Scale: Indeterminable
Carey, Mathew, 1760-1839 (1988). The upper territories of the United States. Geological Survey (U.S.). https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00315 (map)