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Preparing passionate leaders driving change in sustainability and stewardship of the environment.

  —Our Mission

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Douglas D. Piirto

Dr. Douglas D. Piirto - Emeritus

Douglas D. Piirto, Ph.D., RPF, Professor Emeritus
D. D. Piirto, Consulting Forester dba Crestline Forestry
Phone: 805-234-8543 (cell) or 805-461-0642 (Home)
E-mail: or
Web Site:


Areas of Focus

- Silviculture

- Forest Management

- Forest Harvesting and Utilization

- Forest Health