wildfire!

Posted on February 23, 2010 by ffky

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Let’s Measure Temperature

Posted on February 19, 2010 by ffky

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Temperature!

Posted on February 18, 2010 by ffky

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permafrost in AK!

Posted on February 16, 2010 by ffky

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Extreme on Earth!

Posted on February 15, 2010 by ffky

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Extremes in Alaska!

Posted on February 15, 2010 by ffky

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glacier!

Posted on February 14, 2010 by ffky

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permafrost first page!?

Posted on February 11, 2010 by ffky

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permafrost tunnel

Posted on February 10, 2010 by ffky

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drill method

Posted on February 9, 2010 by ffky

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