 The " <unk> of Work done at Little Rock Arsenal , <unk> " continue at about the same pace and scale from August 1862 until August 1863 . <unk> to the " Summary " for August , 1863 is the ominous <unk> , " During the last week in the month , nearly all stores at the Arsenal have been packed and sent to Arkadelphia , in obedience to orders from Chief of Ordnance , District of Arkansas . " This then marks the beginning of the evacuation of ordnance activities from Little Rock , with the city being surrendered to the advancing Federal troops of Frederick Steele 's Arkansas Expedition on September 11 , 1863 . 
