Laptev Sea Laptev Sea The Laptev Sea (; ) is a marginal sea of the Arctic Ocean. It is located between the northern coast of Siberia, the Taimyr Peninsula, Severnaya Zemlya and the New Siberian Islands. Its northern boundary passes from the Arctic Cape to a point with co-ordinates of 79°N and 139°E, and ends at the Anisiy Cape. The Kara Sea lies to the west, the East Siberian Sea to the east. The sea is named after the Russian explorers Dmitry Laptev and Khariton Laptev; formerly, it had been known under various names, the last being Nordenskiöld Sea (), after explorer
East Siberian Railway At first, the East Siberian Railway was a single-track railroad. In 1907, they began the construction of the second track, which would end in 1916. Administratively, the main line was divided into four railways: the Siberian Railway (from Chelyabinsk to Innokentyevskaya railway station with a line towards Tomsk), the Transbaikal Railway (from Innokentyevskaya railway station to Sretensk with a line towards Manchuria railway station), the Ussuri Railway (from Vladivostok to Khabarovsk), and the Amur Railway (from Kuyenga railway station to Khabarovsk). In 1915, the East Siberian Railway was divided into five railways, the Omsk Railway, Tomsk Railway, Transbaikal Railway, Amur