• Volcano

    by
    oco
    Published on 03-29-2011 01:57 PM
    1. Categories:
    2. History,
    3. Volcano
    content/attachments/53-1.1249318842.sheepeater-cliffs.jpg.html


    The Yellowstone region is a wonderful place to study geology first-hand, because the rise of the Rocky Mountains shows us so much material that might be buried elsewhere in the world. Glaciers and rivers have also carved swaths through billions of years of prehistory recorded in the rocks.


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