Name StatusApproved: NZGB Antarctic CommitteeFeatureRocksNZ Gazette Reference2009 (77) p.1803DatumRSRGD2000GeoTag[1] PositionDescriptionTwin rocks lying 1 mi S of Possession Island in the Possession Islands group in the Ross Sea. Mapped by USGS from surveys and U.S. Navy air photos, 1960-63. Named bu US-ACAN for Capt. Leonard Kristesen who, with H.J. Bull in the ship Antarctis, explored the area and landed on the Possession Islands in 1895.