Page 24 - Earth's Climate Past and Future
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Recent fluctuations of mountain glaciers An engraving made in
                                1850 shows the Argentiere glacier extending far down the valley in
                                the French Alps (top). A century later the glacier had retreated far
                                up the mountainside (bottom). (From E. L. Ladurie, Times of Feast,
                                Times of Famine: A History of Climate Since the Year 1000 [New York:
                                Doubleday, 1971] in J. Imbrie and K. P. Imbrie, Ice Ages [Cambridge,
                                MA, and Springfield, NJ: Harvard University Press and Enslow
                                Publishers, 1979].)
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