Dr. Ron Towner from the Laboratory of Tree-Ring Research at the University of Arizona, explains the principles behind dendrochronology and why this dating method is valuable to archaeologists. Ron demonstrates how to accurately count tree-rings, and discusses the importance of patterns and master chronologies.
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Time Team America is a new science-reality series from PBS that sends archaeologists on a race against time to excavate historic sites around the nation. The team has 72 hours to uncover the buried secrets of their assigned digs using the latest technology, decades of expertise and their own sharp wits. Host Colin Campbell guides each expedition as viewers peer over the shoulders of diggers, scientists and historians at work. You never know what they'll dig up next!
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