... continued the march through the night, via Liberty, New Market, Monrovia, on the Baltimore and Ohio railroad, where we cut the telegraph wires and obstructed the railroad. We reached, at daylight, Hyattstown , on McClellan's line of wagon communication with Washington, but we found only a few wagons to capture, and pushed on to Barnsville, which we found just vacated by a company of the enemy's cavalry. ...