Tverregga Spur (73°23′S 3°36′W) is a spur 3 nautical miles (6 km) west of Mount Hallgren, in the Kirwan Escarpment of Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–52) and additional air photos (1958–59), and named Tverregga (the transverse ridge).
This article incorporates public domain material from the United States Geological Survey document "Tverregga Spur" (content from the Geographic Names Information System).
References
Tverregga Spur Wikipedia(Text) CC BY-SA