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Dendrochronology
Archaeologists and other scientists who study past events are always looking for new ways to answer the question "How old is it?" Here's one answer. Follow along and make a tree calendar of your own.
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To play the WebRanger activities you must have:
- Related Links
- National Park Service Archaeology Program
- http://www.cr.nps.gov/archeology/AforI/howfig_abs3.htm