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Adams Glacier is situated on the northwest flank of Mount Adams, a stratovolcano in the U.S. state of Washington. Much of it becomes the source of Adams Creek, a tributary of the Cispus River. It is the largest glacier on Mount Adams, and the second largest in the contiguous United States, flowing down from the summit ice cap at over for over to a terminus near . Between , the glacier flows through a steep icefall that provides challenging climbing through a maze of seracs. The first ascent of the glacier was by Fred Beckey, Dave Lind, and Robert Mulhall in July 1945. Below , the glacier spreads into a broad sheet with five separate tongues of ice extending out to termini between large moraines. On its easternmost tongue, it ends at a glacial tarn, or small ice-choked lake above High Camp. The glacier has decreased in surface area by 47% between 1904 and 2006. ==See also== *List of glaciers in the United States 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「Adams Glacier (Mount Adams)」の詳細全文を読む スポンサード リンク
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