...Mechanicsville bridge uncovered, D. H. Hill and Longstreet, of necessity, marched to A. P. Hill's support, and Lee, in person, pressed the attack in front without the help of Jackson in the rear. Beaver Dam creek , or swamp, as it is called locally, is a short stream running from the north into the Chickahominy; it is crossed by the main road from Mechanicsville down the north side of the Chickahominy, by way ...