...o follow Franklin's division, which was to be sent up the York River to West Point, to co-operate with the pursuing force on the flank of the fugitives, and to seize that terminus of the Richmond and York River railway. General Heintzelman was at first charged with the direction of the pursuit, but the General-in-Chief changed his mind, and directed General Edwin V. Sumner, his second in command, to go forw...