Vasyugan deposit

The Vasyugan Swamp (Vasyuganskiye bolota), also called the Great Vasyugan Mire, is the largest swamp in the northern hemisphere as well as the largest peatland in the world. It is located in Russia, in southwestern Siberia. Covering most of the Vasyugan Plain, it occupies 53,000 km2 (13, 000, 000 acres), which is about 2% of the whole area of peat bogs of the world. The swamp is located in the Novosibirsk, Omsk, and Tomsk regions of Russia within the watershed of the Ob and Irtysh Rivers, and stretches between latitudes 55°35' and 58°40' North, and longitudes 74°30' and 83°30' East.

Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).