...orps, some from the Twelfth, Hays's brigade of the Second, and a portion of the Eleventh, an effectual stand was made. Pleasonton, who was returning from the front, where he had been operating with Sickles (at the time Jackson attacked), taking in the state of things, rapidly moved his two regiments of cavalry and a battery to the head and right flank of the enemy's advance columns, when, making a char...