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Member since Jan 22, 2009, follows 22 people, 0 public groups, 2 public bookmarks (2 total).
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Crater Lake - Wikipedia, the free encyclopedia on 2009-02-09
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The lake partly fills a nearly 4,000 foot (1,220 m) deep caldera[1] that was formed around 5,677 (± 150) BC[2] by the collapse of the volcano Mount Mazama.
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Geography of Taiwan - Wikipedia, the free encyclopedia on 2009-02-06
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The island of Taiwan was formed approximately 4 to 5 million years ago
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Duanduan H follows 22 people
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