The Soviet tug Verkholensk according to a CIA report dated 21 August 1950
An item reported that the Soviet
North-Western Line (Severo-Zapadnoe Parokhodstvo) possessed the tug
Verkholensk, last time identified on 17 June 1949.
Source
The report was published on www.archive.org, document number CIA-RDP83-00415R005700200002-4