...it Point, whence he held a line along the Opequon as far north as the bridge at Smithfield. Crook continued to hold on near Clifton until the next day, and was then moved into place on the left of Emory . This line was practically maintained till the 21st, when the enemy, throwing a heavy force across the Opequon by the bridge at Smithfield, drove in my cavalry pickets to Summit Point, and follo...