...ston, S. C. A reconnoissance was made by a force of Union troops, under the command of Col. Averill, from the James River to within fourteen miles of Petersburgh, Va. When about five miles from Cox's River , they encountered the Thirteenth Virginia cavalry, drawn up in line. The Union troops charged upon them, when they broke and ran for their encampment at Sycamore Church, a distance of two and a hal...