SHIPWRECK ON THE POTOMAC: Disaster in Pursuit of Lincoln's Killer

The barge Black Diamond was anchored with the Potomac Flotilla, hoping to catch Lincoln's assassin--unaware that Booth and his accomplice had already crossed the Potomac to safety. By dawn, the Black Diamond was on the bottom of the river, the Massachusetts carrying U.S. soldiers back to their regiments was crippled and 87 men were dead. Illus.