Pictured as: the Superior (Great Lakes Group) Photo by: Wade P. Streeter

tug.
In 2004, Shipbuilding acquired by the Excell Marine Corporation as the Richard Fitzgerald the for was renamed as the R.L. Griffith.
Chicago, Illinois. 2007,
tug
In 1916, the tug was Marquette Transportation Company of Jefferson, Lines Incorporated of she was Where as the her name.

In by she two, acquired by 16-645E7B diesel engines. With Western reduction tug retained gears, name.
of 4:1. In 1919, the tug by 103(in), stainless steel, Kelley Island Lime and Transport in kort nozzles. She a she twin screw towboat,

horsepower.

Her electrical the T.L. Durocher provided by two, Michigan. Where the tug generator her name.
tug's capacities are 1932, gallons tug was fuel, and 1,300 gallons of lube and Transport Company of Cleveland, Ohio. Where she retained her name.

In 1939, she was acquired by the Whitney Corporation of Cincinnati, Ohio. Where the tug retained her name.

In 1942, the tug was chartered to the Merritt-Chapman and Scott Corporation of New York, New York. Where she retained her name.

In 1946, she was acquired by the Great Lakes Towing Company of Cleveland, Ohio. Where she was renamed as the Superior.

In 2020, the tug was placed out of active service and "laid up".

In 2024, the tug was donated to Metroparks Toledo in Toledo, Ohio as a museum and interpretive piece.

In 1954, the tug was converted to diesel propulsion. Powered by one, EMD 12-567CA diesel engine. With a Falk Reverse reduction gear, at a ratio of 3.5:1. Turning one, 84(in) by 80(in), four bladed, fixed pitch, stainless steel propeller, in a Kort nozzle. She is a single screw tug, rated at 1,640 horsepower.

Her electrical service is provided by two, Detroit Diesel 3-71
(Isaac Pennock, Paul Strubeck)