...nactive on the left, not having yet passed the Antietam. Now, between twelve and one o'clock, Franklin with two divisions of his corps, under Slocum and W. F. Smith (Couch remaining behind to occupy Maryland Heights ), reached the field of battle, from where the action at Crampton's Pass had left him. General McClellan had designed retaining Franklin on the east side of the Antietam, to operate on either flank or...