... West to the mouth of the Rio Grande; and inland over the course of the Mississippi, and itsaffluents, from Cairo, at the southern extremity of the State of Illinois, to the mouths of the river.Key ... cargoes of cotton, then of great value. There is but little rise and fall of the tide in the Gulf,from one to two feet, but the height of the water is much affected by the direction of the wind. The ... feet. The forward plating was 3 inches of iron,backed by 30 inches of oak; at the stern, and abreast the engines, there was 2 -inch iron, backed by 12 inches of oak; the rest of the sides of the...