A GOOD summary, in a convenient form, of what has been ascertained about North American glaciers, has been for some time a desideratum. Prof. I. C. Russell has supplied it in a volume of moderate size ...
In mid-May, at about ten thousand feet above sea level, a rocky mountainside in the Swiss Alps gave way and tumbled onto a field of ice called the Birch Glacier. Half a mile below, in the Lötschen ...
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