The ‘deep stage’ apparently was cut mainly after the diversion of the upper Kanawha (Teays) drainage to the Ohio River (Stout, Ver Steeg, and Lamb, 1943, pp. 78–79).[2] The lowest bedrock altitude obtained along the course of the Teays Valley across Wabash County was 410 feet (120 m) above sea level in the vicinity of La Fontaine.