The Navigator: Containing Directions for Navigating the Monongahela, Allegheny, Ohio, and Mississippi Rivers ... with Accurate 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 Captains Lewis and Clarke. Seventh edition, improved and enlarged (but actually the fifth edition, after those of 1802, 1804, 1806 and 1808). Rebound in modern tan morocco, complete with all pages and plates. 6 3/4 x 4 inches (17 x 10 cm); [x], iii, 14-295, [1 p. errata]., with 28 woodcut maps including the map of Pittsburgh, the Falls of Ohio, and the 26 river maps. The binding clean and sound, some toning and staining throughout, neat ink notation on the title and the margin of the Pittsburgh map of Samuel H. Phillips, Philadelphia, dated (on the map) October 3, 1811. The map on p. 191 has a written correction in ink, p. 205 has a corner torn away just touching one letter on a marginal note.