Czechoslovakian CSPD steam tug Polana sighted on the Danube according to a CIA report dated 29 March 1955

An item dated 6 January 1955 reported the CSPD (Ceskoslovenska Plavda Dunajska) steam tug Polana sighted on the Danube kilometre mark 1913 towing towards Bratislava, Czechoslovakia [nowadays Slovakia].  the tankers I and II each loaded with 500 tons crude oil.

Source
The report was published on www.archive.org, document number CIA-RDP80-00810A006200800008-0