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Stephenson Bastion is a mountain massif with steep rock cliffs on its south side, rising to 1,850 m in the south-central part of Shackleton Range. It was first mapped in 1957 by the Commonwealth Trans-Antarctic Expedition, and it was photographed by U.S. Navy aircraft in 1967. It was named by the United Kingdom Antarctic Place-Names Committee (UK-APC) for Philip J. Stephenson, an Australian geologist with the transpolar party of the CTAE in 1956–58.

Stephenson Bastion
Highest point
Elevation	1,850 m (6,070 ft)
Coordinates	(80°46′S 27°12′W)
Geography
Location	Coats Land, Antarctica
Parent range	Shackleton Range

On its east side, a prominent rock bluff was given the name Ram Bow Bluff because of the feature's resemblance to the ram bow of an old battleship.

References

 This article incorporates public domain material from the United States Geological Survey document: "Stephenson Bastion". (content from the Geographic Names Information System) 

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[de] Stephenson Bastion

Die Stephenson Bastion ist ein 1850 m (nach britischen Angaben 1560 m) hohes Massiv im ostantarktischen Coatsland. Sie besteht an ihrer Südseite aus steilen Felsenkliffs und liegt im südzentralen Teil der Shackleton Range. Zu ihr gehören Mount Greenfield, die Clayton Ramparts und das Ram Bow Bluff.

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- [en] Stephenson Bastion

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