The Soviet Rostov Shipyard Krasnyy Flot according to a CIA report dated September 1967

An item reported the fenced and rail served Soviet Rostov Shipyard Krasnyy Flot with as geographic coordinates 47.13.20  north and 39.46.10 east located on the south east border of Rostov on the north bank of the Don and used for repairing river vessels. The shipyard possessed a side0haul marine railway, 1 small pier,1 quay and 8 support buildings.

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