This tug was built in 1927 by American Ship Building Company, Lorain, Ohio. She was owned by Michigan Limestone & Chemical Corporation, Detroit, Michigan, until 1952, when she was sold to U.S. Steel Corporation, Cleveland, Ohio. In 1981, she was sold to Seaway Towing Company, Cleveland, Ohio. Wellington Towing, Cleveland, Ohio, purchased her in 1986, and sold her to Great Lakes Towing, Cleveland, Ohio, in 1990. In 1956, she became "Dolomite," in 1981, she became "Chippewa," and in 1990, she became "Missouri." She had a tonnage and dimension change in 1944. She was rebuilt and converted to diesel in 1956. She was rebuilt again and received new engine at Twin City Dry Dock Compant, Sault Ste. Marie, Michigan, in spring/summer 1981. As "Dolomi...