...s rejoining his division — most of which we had left behind, now being at last on the front of our lines, and eagerly dashing onward to the first glimpse of those high, sandy, strongly-defended Centreville ridges, which had kept the grand army so long at bay. On the route we met picturesque groups of contrabands, who had all night been facing toward the free northern star. Uncle Toms, Georges, an...