...ight of our watching foes. They understood it from the start. About 4 P. M. Hooker's divisions, having previously worked far up the Antietam, passed over that stream by a bridge and ford west of Keedysville , crossings having been early secured and held for them by our cavalry. General Hooker led his corps, evidently with a hope of completely turning Lee's left, far away past Dunbar Mills. Doubleday'...