The Billboard
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The Billboard (Mount Rea between Arthur Glacier and Boyd Glacier, in the Ford Ranges of Marie Byrd Land. It was discovered in November 1934 by the Byrd Antarctic Expedition sledge party under Paul Siple, and so named because of its form and appearance.
) is a massive granite monolith with vertical faces rising more than 300 m above the continental ice, standing just west of- This article is based on a United States Geological Survey gazetteer.