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 Railway, and Ussuri Railway. In 1934, the East Siberian Railway became an independent administrative and economic unit extending from Mariinsk railway station to Mysovaya railway station. In 1936, the Krasnoyarsk Railway was excluded from the East Siberian Railway. In the 1920s-1930s, technical reconstruction of the railway was carried out and its locomotive and rolling stock were upgraded . Several new lines were also built over the ridges of Sayany, Alatau, taiga, and swamps towards coal and iron ore deposits, woodlands, and banks of large rivers. In 1922-1926, the Achinsk–Abakan line was constructed, which connected the southern areas of Krasnoyarsk Krai,