Porters Pinnacles

Map of Thurston Island.

Satellite image of Thurston Island.

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. 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.

Maps

Thurston Island – Jones Mountains. 1:500000 Antarctica Sketch Map. US Geological Survey, 1967.
Antarctic Digital Database (ADD). Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR). Since 1993, regularly upgraded and updated.

References

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

Coordinates: 71°33′S 99°9′W / 71.550°S 99.150°W / -71.550; -99.150

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