Polish diesel tug active Obra on the Oder according to a CIA report dated 28 March 1956

An item reported that the Polish Oder Shipping Company possessed the diesel tug Obra captain Schulz with a horsepower of 90 hp and which served on the Oder between Cleiwitz and Cosel/Klodnirz Canal.

Source
The report was published on www.archive.org, document number CIA-RDP83-00418R003300180001-4