...hile the enemy had been completing his preparations for the bombardment of Vicksburg, the Confederates had been engaged in a well-masked enterprise, and Com. Lynch having improvised a ship-yard near Yazoo City , had been hard at work, night and day, fitting out a ram, called the Arkansas. At the mouth of the Yazoo River, a raft had been built, to afford some sort of protection to the fleet of river passen...