The Battle of Nashville, situation about 1300 Hours (December 15, 1864).
Department of History (U.S. Military Academy - West Point).
United States Military Academy West Point - Department of History. Source: <b><a rel="nofollow" class="external autonumber" href="http://www.westpoint.edu/history/SitePages/American%20Civil%20War.aspx">[1]</a></b>.