...were sent to the rear of the Federal lines to join General Jeb. Stuart's command, who was fighting General Grigg's cavalry. We were put in line of battle on the extreme left of our infantry, near Rummel 's barn. The cavalry fight of the evening of the third day at Gettysburg was a desperate battle. Major Eakle, the only field officer, was soon disabled, and had to retire, leaving the command of t...