...orps) was kept in reserve near at hand ready to support, should the exigencies of reconnoissance require it, the left, right, or center. There was a considerable hillock or knoll about halfway from Fort Wood to the foot of Missionary Ridge, a third the height of the ridge, called Orchard Knob. Confederate Bragg held this eminence as an outpost, and had a line of intrenchments well filled behind it, ru...