...ttacked Merritt at the Smithfield bridge, and, after a hard fight, drove him through Smithfield and back towards Charlestown, the cavalry fighting with great obstinacy until I could reinforce it with Rickett 's division of the Sixth corps, when in turn the enemy was driven back through Smithfield, and over the Opequan, the cavalry again taking post at the Smithfield bridge. On the thirtieth Torbert wa...