Pinus ponderosa, the Ponderous Pine | Urban Forestry Blog | The ...
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An Oregon university let loggers harvest a 420-year-old tree. The ...
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Trees to know in Central Oregon — Deschutes Land Trust
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Pinus ponderosa - Wikipedia
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Loggers give unique Oregon ponderosa pine a lifeline — High ...
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Trees - Crater Lake National Park (U.S. National Park Service)
