The Soviet Kostroma shipyard according to a CIA report dated September 1967

An item reported that the fenced and road served Soviet Kostroma shipyard with the geographic coordinates 57.47.20 North and 40.55.00 East located at the North West side of Kostroma. The shipyard possessed 1 side-haul marine railway with 2 transverse slipways for new building of barges for which one crane was available and 3 hip and 16 support buildings.

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