...burg road. We were exposed all day to an artillery fire, but with little loss. We marched that night through the mud to the vicinity of the Mechanicsville Bridge, and there awaited the advance of Major-Generals Jackson and A. P. Hill. The plan of operations was, for the former officer to come down by the way of Hanover Junction, and get in the rear of Mechanicsville, so as to unmask the bridge opposite it, and en...