...e Yazoo, the left the fortified city of Vicksburg. A line of bluffs, leaving the river at Vicksburg, runs directly to Snyder's, and in front of it is the course of an old river bed, the half toward Snyder 's being impassable swamp and the half next Vicksburg a narrow lake opening into the Mississippi near the city and connecting on the north with Chickasaw Bayou, which runs thence due north to the Yazo...