...rmed as infantry, and a part of Chew's Maryland battery. Harris' brigade and a few pieces of artillery occupied Fort Alexander (Whitworth), which was to the rear of Fort Gregg and higher up the Appomattox ; and that fort was evacuated, the infantry and artillery retiring to the inner line of works before Fort Gregg was attacked in force. I have letters from Lieutenants Snow, Craige, Howard and Rigler...