RIVERS OF ICE
Twenty-five feet a day—that's a speed which seems to be shattering all records. Not for aeroplanes, of course, but for glaciers. And the Black Rapids glacier in Alaska is the one that's running wild. Considering a glacier is a river of ice, often 20 miles long, 10 miles wide and 1000 feet deep, the usual movement of only several inches a day is no mean speed, "particularly when the glacier's course is not altered by anything in its path. It easily picks up and takes along the largest mountain boulder. And where do these huge masses of moving ice go? They just keep moving, gathering more ice from the rear as their front .ends reach higher temperatures and melt. But in northern latitudes, where end in the sea, huge pieces drop off and float away. That's how icebergs are made.
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Auckland Star, Volume LXX, Issue 88, 15 April 1939, Page 2 (Supplement)
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143RIVERS OF ICE Auckland Star, Volume LXX, Issue 88, 15 April 1939, Page 2 (Supplement)
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