...rds, there was a line of little pits in which the enemy's skirmish line was posted and they at once began to annoy our batterymen who were busy firing at a Rebel battery some distance farther back. Colonel Upton , who was up by the guns, noticing this, came back to our company and called for some good shots, and soon had a squad firing at the puffs of smoke from the rifle pits. I remember Sam Button's being...