Vilkitsky Island (East Siberian Sea) Russian Arctic Ocean Hydrographic Expedition led by Boris Vilkitsky on the ships "Taymyr" and "Vaygach" on behalf of the Russian Hydrographic Service in order to chart the last blank areas of Russian maps. Vilkitsky Island (East Siberian Sea) Vilkitsky Island (; "Ostrov Vilkitskogo") is the southernmost island of the De Long group in the northern part of the East Siberian Sea. Administratively Vilkitsky Island belongs to the Sakha Republic administrative division of the Russian Federation. The island is named after Russian hydrographer Boris Vilkitsky. The island is outside of the limits of permanent ice and is unglaciated. At barely Vilkitsky
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