i am studying for my earthquakes and volcano exam in 16 hrs
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2005-01-17 � 11:59 p.m. "a depth of only 1 cm of ash places an extra 2.5 tons of weight on a roof of an average house." - pg 185 intro to environmental geology by edward a keller
i am studying for my earthquakes and volcano exam in 16 hrs byeness Chicago to Seattle - 2014-05-27 |
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