shipbuilding company

The Presque Isle

Litton's Erie Marine Division Delivers The Self-Unloading 1,000-Foot Tug/Barge Combination Transports 50,000 Tons Of Iron-Ore Pellets Per Trip And Unloads At Rates Up To 10,000 Tons Per Hour Th-e world's largest tug-barge—-Litton Industries' 1000-foot-long