US Civil War: Memoir Of The Sharpshooters:

During the American Civil War, sharpshooters saw limited action, as tacticians sought to avoid the heavy casualties inflicted through normal tactics, which involved close ranks of men at close ranges. The sharpshooters used by both sides in the Civil War were less used as snipers and more as skirmishers and scouts. These elite troops were well equipped and trained, and placed at the front of any column to first engage the enemy. Their battlefield role could be misunderstood, too. At the Bat...