In March 1700, the French commander L. d'Iberville calculated the distance from the landing of the Natchez to that of the Taensas, following the river, at about 15-1/2 leagues, and in the air-line, 11-1/4 leagues. That Taensa landing, at the foot of a bluff nine hundred feet high (150 _toises_), was about 32°5 � Lat., while d'Iberville, trusting his inaccurate methods of measuring, located it at 32°47 � Lat. (Margry IV, 413).