...ght brigade (General Carlin's) resting across the East Chickamauga, but in good communication with my left, and reserve brigade by the bridge at Dunn's Mill, which lay directly in rear of the left of Carlin 's second line. Later in the day, General Davis having driven the enemy out of Tunnel Hill and within their works at Buzzard Roost Pass, I advanced my line, swinging to the left to conform to the m...