American screw steam tug Roger (1913) in 1966

Active on the Great Lakes system. Operated by The Great Lakes Towing Co. Homeport Cleveland, Ohio, USA. Built in 1913. Net register tonnage 95 tons. Dimensions 86.8 (register)-93 (over all) x 22 (register)-23.9 (over all) x 13 (light)-13.2 (loaded) and as highest fixed point above water (=funnel) 24.5 feet. Horsepower 800 hp.

Source
Corps of Engineers US Army. Transportation Lines on the Great Lakes System 1966. Transportation series 3.