MapMap of the Trans-Mississippi of the United States during the period of the American fur trade as conducted from St. Louis between the years 1807 and 1843. 13194 U.S. Copyright Office From: History of the Fur Trade of the Far West, by H.M. Chittenden, vol. 3. Available also through the Library of Congress web site as a raster image.
- Contributor: Chittenden, Hiram Martin
- Date: 1902