Name StatusOfficial ValidatedFeatureBasinNZ Gazette Reference2012 (53) p.1477DatumRSRGD2000GeoTag[1] PositionDescriptionA major depression in the surface of the South Polar Plateau extending from the north slopes of Mts Fridtjof Nansen and Don Pedro Christophersen for about 120 miles to the south, and including the region of Devils Glacier, with a width of about 20 miles. Discovered in December 1911 on the journey to the South Pole by Amundsen. Named by the US Advisory Committee on Antarctic Names for Professor Henrik Mohn, Norwegian meteorologist and author of the meteorologist and author of the meteorological report of the Norwegian expedition under Amundsen.