Note 8 — VINCENNES THE KEY TO THE NORTHWEST
Reading edition
La Salle, in drawing his maps, made the Ouabache to empty into the Mississippi at Cairo, According to him the Oyo (Ohio) was a tributary of the Ouabache. About 1702, one, M. Juchereau, sent to establish a post for the protection of the traders in peltries, reported that he had established a post about forty leagues above the mouth of the Ouabache. Some writers have taken that to mean Vincennes, and it is so recorded in some of the encyclopædias, but his post was on what is now called the Ohio, and not on the Wabash.