1 Siberia 2 Barents Sea 3 West Siberian Plain 4 Yenisey 5 Sayan Mts. 6 Ob River 7 Irtysh River 8 Northern European Plain 9 Yamal Pen, 10 Laptev Sea 11 Kara Sea 12 East Siberian Sea 13 Kolyma Lowland 14 Kolyma Mts, 15 Bering Sea 16 Volga River 17 Caspian Sea 18 Chukchi Sea 19 Sea of Okhotsk 20 Iena River 21 Sakhalin Island 22 Ural Mts. 23 Caucasus Mts. 24 Taymyr Pen. 25 New Siberian Islands 26 Kola Pen. 27 Kamchatka Pen. 28 Stanovoy Mts. 29 Central Siberian Plateau 30 Yablonovyy Mtn. Range