...lry was sent to Waterloo, whence a good country road led to Warrenton, to reconnoiter and to destroy the bridge over the Rappahannock at that point, and get in Lee's supposed rear. Sigel, Banks and Reno were to move toward the same point, from opposite Sulphur Springs, while Mc-Dowell was placed along the roads leading to Sulphur Springs and to Waterloo to support the movement. As Sigel approached...