Add Yahoo as a preferred source to see more of our stories on Google. Modfos/Getty Images Whether you're walking along a city sidewalk or hiking deep in the forest, you might occasionally notice paint ...
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If you see paint on trees, this is what it means
Whether you’re walking along a city sidewalk or hiking deep in the forest, you might occasionally notice paint marks on tree trunks. Those marks are codes used by forestry workers and contractors to ...
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