TT11-506z.jpg | Kuhn Photo

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TT11-506z.jpg

TT11-506z Tree trunk cross sections showing growth rings and bark, American Elm, Ulmus americana

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TT11-506z Tree trunk cross sections showing growth rings and bark, American Elm, Ulmus americana

Copyright:© Dwight Kuhn

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Keywords:

tree, trunk, cross section, cross-section, age, identifying, dendrochronology, chronology, ring, growth ring