Penck Ledge
Penck Ledge (73°3′S 4°18′W) is a mainly ice-covered ledge at the west side of the head of Penck Trough in Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by the Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–1952), led by John Schjelderup Giæver, and additional air photos (1958–59), and named in association with Penck Trough.
This article incorporates public domain material from the United States Geological Survey document: "Penck Ledge". (content from the Geographic Names Information System) 
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