... 9 P. M. Hon. Edwin M. Stanton, Secretary of War: the army left Harrisonburgh at six o'clock this morning, and at half-past 8 my advance engaged the rebels about seven miles from that place, near Union Church . The enemy was very advantageously posted in the timber, having chosen his own position, forming a smaller circle than our own, and with his troops formed in masses. It consisted undoubtedly of...