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
Severnaya Zemlya Fjord, southeast of Cape Unslicht, off Bolshevik Island's northern end at . The island has an irregular shape and is long with a maximum width of . A deep round lake with a diameter of is located in the western part of the island and is connected to the sea by a small channel. Almost all the island is rocky, except for the northwestern part. The highest point of Lishniy Island is South of Lishniy lies "Yuzhnyy", a smaller island, and two islets. Lishniy off Severnaya Zemlya should not be confused with Lishny Island off Toll Bay, south of the