The Navigator: containing directions for navigating the Monongahela, Allegheny, Ohio and Mississippi Rivers ; with an ample account of these much admired waters, from the head of the former to the mouth of the latter ; and a concise description of their t

containing directions for navigating the Monongahela, Allegheny, Ohio and Mississippi Rivers ; with an ample account of these much admired waters, from the head of the former to the mouth of the latter ; and a concise description of their towns, villages, harbors, settlements, &c. ; with maps of the Ohio and Mississippi ; to which is added an appendix, containing an account of Louisiana, and of the Missouri and Columbia Rivers, as discovered by the voyage under Capts. Lewis and Clark