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Stambaugh prepares tree sample

September 28, 2009 | 6:36 p.m. CDT
Michael Stambaugh prepares a tree sample from Medicine Creek, Mo. at the Missouri Tree-Ring Laboratory where he works as a research associate. Stambaugh is a dendrochronologist who has learned how to measure tree rings to determine climate changes or cultural influences that occurred during a particular time and in a particular region.

RELATED STORIES: Dendrochronologists at MU use tree rings to reveal answers from the past

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