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 perfected the design of alternating current locomotives, overhead catenary system, means of communication, signaling, centralised traffic control and the automatic block system, all of which would later be introduced on other railways in one way or another. 97% of the traffic along the East Siberian Railway is done by means of electric traction. The East Siberian Railway consists of several sections, one of which is the Circum-Baikal Railway – a monument to industrial architecture of federal importance. It stretches for over from the Baikal railway station to the Kultuka railway station. The uniqueness of this wonder of engineering is that