Report intended to illustrate a map of the hydrographical basin of the upper Mississippi river,

Map published in 1842.Report, pt. 1.--Sketch of the early history of St. Louis.--Report, pt. 2.-- App. A. Table of geographical positions.--App. B. Catalogue of plants collected by Mr. Charles Geyer, under the direction of Mr. I. N. Nicollet, during his exploration of the region between the Mississippi and Missouri rivers: by Prof. John Torrey, M.D.--App. C. List of fossils belonging to the several formations alluded to in the report; arranged according to localities.Mode of access: Internet