...r, Magruder had made a series of dams, which held the waters and converted it into a succession of small lakes. Not only was the river dammed, but also the marshy, swampy land which extended from Yorktown to its head. Thus, our position on the right was a water-front, and on the left also, for the most part; here, however, as the water was derived from the snows and rains of winter, the depth was g...