TRAVELS IN THE CENTRAL PORTIONS OF THE MISSISSIPPI VALLEY: COMPRISING OBSERVATIONS ON ITS MINERAL GEOGRAPHY, INTERNAL RESOURCES, [Performed under the Sanction of Government, in the Year 1821.] BY HENRY R. SCHOOLCRAFT, U.S.I.A. HON. MEMB. OF THE AMERICAN GEOLOGICAL SOCIETY; MEMB. OF THE SCIENCES AT PHILAD., &c. NEW-YORK: PUBLISHED BY COLLINS AND HANNAY, 230 PEARL-street. J. & J. Harper, Printers. 1825. |