On Friday morning March 7, 1958 at 0210 hrs. at the Calumet Rail Yards, a Chicago and Northwestern Railroad train crew, with their train parked and running, disembarked to take a breakfast break. The engine and nine cars were gone when they returned. The train traveled l0 miles and went through 20 crossings before the engine and two box cars smashed through a dead end obstruction, traveled 60 feet and plunged into 18 feet of water in the Two Rivers Harbor.