Russian inland tug A. Popov according to a CIA report dated 6 March 1950
An item referred to the newspaper
Rechnoy Transport dated 4 October 1949 reporting the Russian inland tug A.
Popov of the Volga Freight Line active in 1949 on the Vladimirovka-Gor’kiy Salt
Line.
Source
The report was published on www.archive.org, document number CIA-RDP80-00809A000600290216-0