ANTIETAM: THE FIGHT ON THE LEFT Ninth Corps positions near Antietam Creek--Rodman's division at lower ford--Sturgis's at the bridge--Burnside's headquarters on the field--View from his place of the battle on the right--French's fight--An exploding caisson--Our orders to attack--The hour--Crisis of the battle--Discussion of the sequence of events--The Burnside bridge--Exposed approach--Enfiladed by enemy's artillery--Disposition of enemy's troops--His position very strong--Importance of Rodman's movement by the ford--The fight at the bridge--Repulse--Fresh efforts--Tactics of the assault--Success--Formation on further bank--Bringing up ammunition--Willcox relieves Sturgis--The latter now in support--Advance against Sharpsburg--Fierce combat--Edge of the town reached--Rodman's advance on the left--A. P. Hill's Confederate division arrives from Harper's Ferry--Attacks Rodman's flank--A raw regiment breaks--The line retires--Sturgis comes into the gap--Defensive position taken and held--Enemy's assaults repulsed--Troops sleeping on their arms--McClellan's reserve--Other troops not used--McClellan's idea of Lee's force and plans--Lee's retreat--The terrible casualty lists. We have seen that the divisions of the Ninth Corps were conducted by staff officers of Burnside's staff to positions that had been indicated by McClellan and marked by members of his staff. The morning of Wednesday the 17th broke fresh and fair. The men were astir at dawn, getting breakfast and preparing for a day of battle. The artillery fire which opened Hooker's battle on the right spread along the whole line, and the positions which had been assigned us in the dusk of evening were found to be exposed, in some places, to the direct fire of the Confederate guns. Rodman's division suffered more than the others, Fairchild's brigade alone reporting thirty-six casualties before they could find cover. [Footnote: Official Records, vol. xix. pt. i. p. 451.] My own tents had been pitched at the edge of a little grove of forest trees, and the headquarters mess was at breakfast at sunrise when the cannonade began. The rapid explosion of shrapnel about us hastened our morning meal; the tents were struck and loaded upon the wagons, horses were saddled, and everything made ready for the contingencies of the day. It was not till seven o'clock that orders came to advance toward the creek as far as could be done without exposing the men to unnecessary loss. [Footnote: Official Records, vol. xix. pt. i. p. 424.] Rodman was directed to acquaint himself with the situation of the ford in front of him, and Sturgis to seek the best means of approach to the stone bridge. All were then to remain in readiness to obey further orders.