Several presentations on Columbia's history, particularly its role in the Civil War, were offered at the opening of the Northwest River Trail Services Building at Columbia River Park on Friday. Columbia's Glenn Bachert portrayed Captain Henry Haines, who served as captain of Co. B, 45th Pennsylvania Regiment. Historian Randolph Harris (above) and Chris Vera, president of the Columbia Historic Preservation Society, led several historic river tours during the event. Of particular note were the remains of the piers of the Civil War-era bridge that was burned by Pennsylvania militiamen from Columbia to prevent the advance of Confederate forces. At the time, the structure was the longest wooden covered bridge in the world. Harris rightly asserts that this area was the high water mark of the confederacy, and the bridge burning directly precipitated the Battle of Gettysburg and changed the course of the war and the nation. A rendering of the bridge bu...