Pyotr Pakhtusov Pyotr Pakhtusov Pyotr Kuzmich Pakhtusov () (1800 in Kronstadt – November 19, 1835 in Arkhangelsk) was a Russian surveyor and Arctic explorer. He is credited with the first thorough survey of Novaya Zemlya. Between 1832 and 1835 Pakhtusov undertook two exploratory journeys to Novaya Zemlya. He wintered on the island on the two occasions and took detailed meteorological observations. Pakhtusov carefully surveyed the southern and eastern parts of Novaya Zemlya along with fellow explorer and cartographer Avgust Tsivolko during the last two years of the expedition. Thanks to their work the first reliable maps of Novaya Zemlya's southern shores 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