.... Louis, January 30, 1862. Brigadier-General U. S. Grant, Cairo, Ill.: You will immediately prepare to send forward to Fort Henry, on the Tennessee river, all your available force from Smithland, Paducah , Cairo, Fort Holt, Bird's Point, etc. Sufficient garrisons must be left to hold these places against an attack from Columbus. As the roads are now almost impassable for large forces, and as your co...