Name StatusOfficial ValidatedFeatureIslandNZ Gazette Reference2012 (53) p.1477DatumRSRGD2000GeoTag[1] PositionDescriptionAn island about 15 miles long from north to south, 9 miles wide, of volcanic rock, but completely covered with snow and ice. The highest point is 610m. There is a large penguin rookery on the island. It was discovered by Ross on 17 January 1841 and named by him for Mr Thomas Coulman, the father of his fianc