Painted Puzzle Pieces: How Ponderosa Pine Bark Protects …
https://www.mtpr.org/arts-culture/2018-03-26/painted-puzzle-pieces-how-ponderosa-pine-bark-protects-and-preserves
Mar 26, 2018 · The report also pointed out that the bark varies in hue from place to place, sometimes a lighter grayish-yellow, and sometimes a more vibrant yellow-orange. There are almost certainly a great number of factors that determine the shade of the bark of a ponderosa pine, just as there are many things that determine the complexion of a person.
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