Pettersen Ridge (71°47′S 9°42′E) is a ridge extending north for 6 nautical miles (11 km) from Sandho Heights in the Conrad Mountains of the Orvin Mountains, Queen Maud Land. Discovered and photographed by the German Antarctic Expedition, 1938-39. Mapped by Norway from surveys and air photos by the Norwegian Antarctic Expedition, 1956–60, and named for Sverre Pettersen, steward with the Norwegian Antarctic Expedition, 1957-58.
This article incorporates public domain material from the United States Geological Survey document "Pettersen Ridge" (content from the Geographic Names Information System).
References
Pettersen Ridge Wikipedia(Text) CC BY-SA