This articulated z-drive tug was built in 1999 by Bay Shipbuilding and Bark River Towing as the Dorothy Ann for the Interlake Steamship Company of Middleburg Heights, OH. The tug is assigned to the self-unloading barge Pathfinder.
Dorothy Ann and Pathfinder serve in the aggregate, coal, and ore trades on the Great Lakes.
- Type: Twin Screw Articulated Tractor Tug
- Year Built: 1999
- Builder: Bay Shipbuilding Co., Sturgeon Bay, WI/Bark River Towing Co., Escanaba, MI
- Hull No.: 743 (Bayship)
- Engines: 2 EMD 20-645-E7B
- Horsepower: 7,200 bhp
- Length: 124′ 03″
- Breadth: 44′ 00″
- Depth: 24′ 00″
- Port of Registry: Cleveland, OH