The world's oldest Douglas fir trees have lived over 1,000 years
The Douglas fir, the state tree of Oregon, can grow incredibly tall and live impressively long. The oldest Douglas fir trees ...
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The world's oldest Douglas fir trees have lived over 1,000 years
The Douglas fir, also called a Douglas tree, Oregon pine or Douglas spruce, can grow hundreds of feet high — and the oldest of the species can live for over 1,000 years. The Douglas fir is the ...