The Soviet Belyy Gorodok Shipyard according to a CIA report dated September 1967

An item reported that the Soviet Belyy Gorodok Shipyard with the geographic coordinates 56.58/10 North and 37.30.20 East was located at Belyy Gordok on the east bank of the Volga. The fenced and road served shipyard possessed a side-haul marine railway with 2 transverse slipways, 2 shop and 6 support buildings. Seemed to be a repair yard.

Source
The report was published on www.archive.org, document number CIA-RDP78T04759A007300010035-9