... was ordered to Millwood to secure, if possible, Ashby's Gap, but as the enemy's cavalry was on the opposite bank, and the waters were too high for us to get over, we marched on to Manassas, then for Chester Gap . As high up as Front Royal the river was found past fording, but part of a pontoon bridge was at hand. General Corse, who had joined us, hurried and succeeded in getting his brigade over in time ...