Mackay Mountains

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Mackay Mountains (77°30′S, 143°20′W) is a prominent group of peaks 10 miles south of the Allegheny Mountains in the Ford Ranges, Marie Byrd Land. They were discovered by the Byrd Antarctic Expedition in 1934, and named for Clarence Mackay of the Postal Telegraph and Mackay Radio Companies, who was a benefactor of the expedition.

This article is based on a United States Geological Survey gazetteer.