...y, 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 we pushed on to Barnsville, which we found just vacated by a company of the enemy's cavalry...