...sion from troopers into foot soldiers, not unfrequently fighting rebel infantry behind breastworks-added to the celerity of movement and audacity of spirit, without which cavalry is well-nigh useless- Sheridan 's mounted force was at once the eye and the right arm of his fighting column. Cedar creek, flowing from the west and north, joins the North fork of the Shenandoah near Strasburg, on the Valley p...