This map and the atlas it which it appeared were based on the important map by John Mitchell, one of the earliest English mapmakers to give an accurate representation of the Missouri and the central river system of the mid continent. Mitchell’s maps were influential for a century and, as seen here, were appreciated by an international following of mapmakers., From Le Colonie Unite dell’ America Settentrionale.
From Karl Bodmer's "Illustration to Maximilian Prince of Wied's Travels in the Interior of North America. London : Ackerman & Co. 1844. First edition was published in Germany, 1839. See David Rumsey's Map Collection entry for more information.
Charts, drawings, and description of features affecting navigation. War department rules and regulations for the river and its tributaries. Navigable depths and tables of distances for tributaries / compiled under direction of the Chief of Engineers, United States Army, and the District Engineer, Cincinnati, Ohio, by R. R. Jones, chief assistant engineer, United States Engineer Office, Cincinnati, Ohio.