River-class freighter

The River class is a type of bulk carrier designed for service on the Cuyahoga River and any other river on the Great Lakes. The River Class is any freighter of 650 foot in length or less. The first River Class vessels were the William R. Roesch, Paul Thayer and Wolverine, all built in 1973, followed by the Buffalo, Sam Laud and American Republic which were all built in 1974, The MV Mark W. Barker, the latest of the class entered service for the Interlake Steamship Company on 27 July 2022.