...t three o'clock on the morning of the nineteenth September the army moved to the attack. Torbert was directed to advance with Merritt's division of cavalry from Summit Point, carry the crossings of Opequan creek , and form a junction at some point near Stevenson's depot with Averell, who moved from Darksville. Wilson was ordered to move rapidly up the Berryville pike from Berryville, carry its crossing of t...