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Astrid Ridge () is an undersea ridge name used on the GEBCO 5th edition charts. The name was approved by the Advisory Committee for Undersea Features in June 1987. ==References== * 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Astrid Ridge」の詳細全文を読む スポンサード リンク
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