Box Reef (67°45′S 69°3′W) is a line of drying rocks lying between Esplin Islands and League Rock, off the south end of Adelaide Island. The name, given by the UK Antarctic Place-Names Committee in 1963 in association with nearby Cox Reef, derives from Box and Cox, the well-known English literary allusion to a pair of individuals who occupied the same lodgings alternately day and night without knowledge of each other.
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Box Reef Wikipedia(Text) CC BY-SA