American diesel pusher tug Robin (1950) in 1963

Operated by Arrow Transportation Co. Homeport Sheffield, Alabama, USA. Homeport Ashland, Kentucky. Chartered from Tennesse Valley Sand&Gravel Co. Inc. Built in 1950. Steel made. Net register tonnage 235 tons. Dimensions 103..6 (register)-116 (over all) x 29.9(register)-30 (over all) x 7 x 36 (highest point above water level=radar screen) feet. Horsepower 2.200 hp.

Source
Corps of Engineers US Army. Transportation Lines on the Mississippi Lines on the Mississippi River System and the Gulf Intracoastal Waterway. 1963. Transportation series 5.