Severnaya Zemlya any traces of land to the north of the wide strait between the Kara Sea and the Laptev Sea that they navigated. The archipelago was not put on the map until the 1913–1915 Arctic Ocean Hydrographic Expedition of icebreakers "Taimyr" and "Vaigach". The chief organiser and first captain of the Vaygach was officer Aleksandr Vasiliyevich Kolchak of the Imperial Russian Navy. The expedition was privately financed and was launched in 1910, being led by Boris Vilkitsky on behalf of the Russian Hydrographic Service. This venture accomplished its goal of exploring the uncharted areas of the continental side of the Northern
Novaya Zemlya Oblast, Russia. Municipally, it is incorporated as Novaya Zemlya Urban Okrug. The population of Novaya Zemlya, as of the 2010 Census, was about 2,429, of which 1,972 resided in Belushya Guba, an urban-type settlement that is the administrative center of Novaya Zemlya District. The indigenous population (from 1872 to the 1950s when it was resettled to the mainland) consisted of about 50–300 Nenetses who subsisted mainly on fishing, trapping, reindeer herding, polar bear hunting and seal hunting. Natural resources include copper, lead, and zinc. Novaya Zemlya was a sensitive military area during the Cold War years, and parts of it