... officer had been wounded, and, after a day of severe toil and great exposure, rejoined his company, which was at San Geronimo, a small village on the western edge of the Pedregal, a little north of Contreras . At a very early hour the next morning (August 20) the intrenched camp of General Valencia at Padierna was stormed and carried at the point of the bayonet by the left wing of the American army, u...