Iowa Iron Works
Iowa Iron Works, renamed Dubuque Boat and Boiler Works in 1904, was a manufacturing company established in Dubuque, Iowa in 1883. Notable Boats Sprague built in 1901, was the world's largest steam powered sternwheeler towboat. In 1907, Sprague set a world's all-time record for towing: 60 barges of coal, weighing 67,307 tons, covering an area of acres, and measuring by . A model of Sprague is in the National Mississippi River Museum and Aquarium in Dubuque, Iowa. United States Coast Guard inland construction tender built 1943–1944, was designated Queen of the Fleet, the Coast Guard's oldest commissioned cutter, in April 2011. References Manufacturing companies established in 1883