Whenever one surveys the industrial might of this nation—its buildings, factories, railroads, automobiles and trucks, pipelines, its Army and Navy and their equipment—the important role that iron and steel play in our very way of life is ever apparent. The iron or steel products that naval personnel come in contact with in their day-to-day life would include practically everything from paper clips and typewriters to 45,000-ton aircraft carriers. And, in manufacturing all this iron and steel, approximately 85% of the iron ore that was fed into the blast furnaces was at one time floated down the Great Lakes in ships of the renowned Great Lakes bulk freighter fleet.
Iron Ore Traffic on the Great Lakes
By Wesley R. Harkins