Porters Pinnacles

Porters Pinnacles is a group of low ice-covered rocks forming a menace to navigation along the north coast of Thurston Island, located about 4 nautical miles (7 km) north of the east extremity of Glacier Bight. It was discovered by the U.S. Navy Bellingshausen Sea Expedition in February 1960, and named for Commander Philip W. Porter, Jr., U.S. Navy, commander of the icebreaker USS Glacier which made this discovery.

Map of Thurston Island.
Satellite image of Thurston Island.

Maps

References

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

    71°33′S 99°9′W


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