Friday, February 5, 2010

Tree Rings - Unlocking the Past

In my goal of finding an old-growth forest and figuring out the age of trees http://www.abc15.com/content/news/centralsouthernarizona/tucson/story/University-of-Arizonas-tree-ring-lab-unlocking/-6edBra4uk-ePhLKqzYMgw.cspx
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