Sentinel Buttress

Sentinel Buttress (64°4′S 58°8′W) is a prominent crag containing a volcanic breccia sequence, rising to 535 m east of Palisade Nunatak at the head of Rohss Bay, James Ross Island. So named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1987 from its commanding position in the area.

Public Domain This article incorporates public domain material from "Sentinel Buttress". Geographic Names Information System. United States Geological Survey. 


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