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Making America's Best Idea Even Better
Capulin Volcano National Monumentold faded color photograph of Capulin Volcano with rainbow
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Capulin Volcano National Monument
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color photograph of tumuli or squeezeup  

Did You Know?
Tumuli or squeezeups usually develop when lava flows on level ground. A mound of lava is pushed up from the flow when the crust buckles, with additional pressure from the liquid lava of the flow.

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Last Updated: October 29, 2008 at 12:06 EST