Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 561
dges, carry them down to the valley, and, bymeans of the fragments of rock they carry, grind,polish,and groove the rocks over which they pass. 543 NATURE AND SCIENCE FOR YOUNG FOLKS. [April, Of the same nature as these glaciers was thegreat ice mass that covered this land ages ago.As it moved from… … A SWITZERLAND GLACIER. dug out valleys and heaped up hills. It changedthe whole appearance of the land. After many years the climate changed, andit was no longer so cold. As the air becamewarmer the ice melted, leaving the more south-ern regions free from ice, but strewn with theboulders of many…
Children's literature
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