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Dr. Douglas Piirto Endowment for Excellence in Forestry Education
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Marquis Who’s Who Lifetime Career Achievement Award Winner
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Is it OK to use redwood as a building material? Can people who care about protecting redwood forests buy these redwood products with a clear conscience? view article

Douglas D. Piirto, Ph.D., RPF, Presented with the Albert Nelson Marquis Lifetime Achievement Award by Marquis Who’s Who view article

Marquis Who’s Who Honors Douglas D. Piirto, Ph.D., with Inclusion in Who’s Who in the World view article