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BRIDLE PATHS OF THE ALTÁI
225
feet wide, proved to have a width of more than half a mile; and its central moraine, which had looked to me like a strip of black sand piled up to the height of six or seven feet like a long furnace dump, proved to be an enormous mass of
gigantic rocks, three or four miles long, and from 300 to 400 feet wide, piled up on the glacier in places to the height of 75 feet. Mr. Frost estimated the width of this glacier at two-thirds of a mile, and the extreme height of the moraine at 100 feet.