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Title
The canyon on the Lava river in the Leningrad region is a geological monument of nature of regional importance #141994973
Description
The canyon on the Lava river in the Leningrad region is a geological monument of nature of regional importance. Deposits of Ordovician and Cambrian age. Almost the entire thickness of Ordovician rocks is enriched with fossilized remains of organisms that lived in the sea basin about 500 million years ago