From 06/09 TO 11/06
1.Supplemented by data on the navigation conditions: 1. Kama river and the village of White Kerchevsky in the north to the confluence of the Kama r.Vyatka in the east to the west to the confluence of the White r.Ufa.
2. The White Sea-Baltic Canal.
3. Neva Bay to the north-western tip of the island Kotlin (detailed map).
4. Curonian Lagoon.
Added depth maps:
1. Lake Ostrovno lake Sonin (updated) (Tver region)
2. Lake Pioneer, Pravdinskoye, Balahanovskoe, Nakhimov, Krasnogvardiyske, Sukhodolskiy, Deep, Otradnoye Vuoksi and River Wild (Leningrad region)
3. Lake Ilmen (updated) (Novgorod region)
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