http://forestry.about.com/library/tree/blh2o.htm

http://www.arborday.org/Shopping/trees/oak-trees.cfm?trackingID=139&gclid=CM-vgOjfxa4CFUdN4AodOTKsXg

Posted on Friday, March 2, 2012 in Description of the Week by Howard Ehmke | Add Comment

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