Tree ring sequence of a bigcone Douglas-fir on the Kenyon DeVore Trail, near Mt. Wilson. This approximately 300 yr. old tree reached nearly 20% of its eventual diameter in only 20 years, and nearly half in 80 years.


Tree ring sequence of a bigcone Douglas-fir on the Kenyon DeVore Trail, near Mt. Wilson. This approximately 300 yr. old tree reached nearly 20% of its eventual diameter in only 20 years, and nearly half in 80 years.



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