Avgust Tsivolko gulf in the Kara Sea and a group of islands in the Nordenskiöld Archipelago are named after Avgust Tsivolko. Avgust Tsivolko Avgust Karlovich Tsivolko, also spelled as Tsivolka (, ) (1810 – March 28 (O.S. March 16), 1839) was a Russian navigator and Arctic explorer. In 1834-1835, Avgust Tsivolko took part in the Pakhtusov expedition towards Novaya Zemlya. In 1837, Tsivolko commanded a schooner named "Krotov" during the Baer expedition towards Novaya Zemlya. He was the one to map the Matochkin Strait in the course of this expedition. In 1838 Tsivolko was put in charge of the mapping expedition and
Severnaya Zemlya of the Severnaya Zemlya group and is separated from Komsomolets Island by the Yuny Strait. Pioneer island measures in area. This island houses the Pioneer Glacier. Thelodonti fossils from the Upper Silurian have been found in the island. Off Pioneer Island's southwestern end lies Krupskoy Island. This is a fairly large island, over in length and about in width. The sound that separates it from Pioneer is only in width. This island should not be confused with Pioneer Island in Canada (). Schmidt Island, measuring , is located at the far northwestern end of the archipelago. This island is quite