... the Opequon, a number of the fugitives found themselves enclosed, at dark, between the mill-pond and the enemy, and were thus captured. The infantry retreated a few miles to the neighborhood of Newtown , while the cavalry of Colonel Ashby took its station at Barton's Mills, a mile in the rear of the field of combat, and held the enemy in check until 10 o'clock of the next morning. General Jacks...