Iowa Iron WorksIowa Iron Works, renamed Dubuque Boat and Boiler Works in 1904, was a manufacturing company established in Dubuque, Iowa in 1883.[1] Notable BoatsSprague built in 1901, was the world's largest steam powered sternwheeler towboat.[2] In 1907, the Sprague set a world's all-time record for towing: 60 barges of coal, weighing 67,307 tons, covering an area of 6+1⁄2 acres, and measuring 925 feet (282 m) by 312 feet (95 m).[3] A model of Sprague is in the National Mississippi River Museum and Aquarium in Dubuque, Iowa. United States Coast Guard inland construction tender USCGC Smilax (WLIC-315) built 1943–1944, was designated Queen of the Fleet, the Coast Guard's oldest commissioned cutter, in April 2011.[4] References
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