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

An item reported the Soviet Zhigalovo shipyard with as geographic coordinates 54.49.00 north and 105.10.00 east located at the east border of Zhigalovo, Siberia on the west bank of the Lena and which seemed to be a repair yard. Due to lacking sufficient reliable information was it even confirmed that it was a yard. It looked as if there was a side-haul marine railway and 2 shop and 7 support buildings.

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