Columbia Mountains (Antarctica)
The Columbia Mountains are a group of largely bare rock peaks, ridges and nunataks located near the east margin of the Dyer Plateau, south-east of the Eternity Range, in Palmer Land. They were mapped by the U.S. Geological Survey in 1974, and named by the Advisory Committee on Antarctic Names after Columbia University, New York City, which for several seasons in the 1960s and 1970s sent geologists to study the structure of the Scotia Ridge. Peaks Mount Brocoum is the dominant peak on the eastern ridge of the Columbia Mountains. References

* Mountain ranges of Palmer Land {{PalmerLand-geo-stub ...
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Dyer Plateau
Dyer Plateau () is a broad ice-covered upland of north-central Palmer Land, bounded to the north by Fleming Glacier and Bingham Glacier, and to the south by the Gutenko Mountains. It is buttressed by Goettel Escarpment. The plateau was first explored on land and photographed from the air by the US Antarctic Service (USAS), 1939–41. It was named after J. Glenn Dyer, a surveyor with the then General Land Office, Department of the Interior. He was leader of the USAS surface party which sledged from Fleming Glacier southeast across the plateau to the Welch Mountains, and U.S. observer with the Australian National Antarctic Research Expeditions during the 1956–57 season. See also *Laine Hills The Laine Hills () are a cluster of four mainly snow-covered hills that rise above the Dyer Plateau about northwest of the Welch Mountains, in Palmer Land, Antarctica. They were mapped by the United States Geological Survey in 1974, and were named ..., a cluster of snow-covered hills th ...
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