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The Ruth Glacier in the Alaska Range, winds its way down to the Chulitna River in the valley below. The line in the middle of the glacier is a central moraine formed when the glacier’s upper arms meet and their lateral moraines become the central moraine.
The Ruth Glacier in the Alaska Range, winds its way down to the Chulitna River in the valley below. The line in the middle of the glacier is a central moraine formed when the glacier’s upper arms meet and their lateral moraines become the central moraine.