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Call Toll Free 1-888-635-TREE (8733)
American Association of Amateur Arborists
International Society of Arboriculture
Education as Important as Equipment by Joseph A. Schneider
The Footlocker: More Secure, Versatile and Durable than a Prusik Loop by Robert W. Phillips
The Anchor and Tension of a Speed Line by Robert W. Phillips
Be Safe, Work Safe by Robert W. Phillips
Tree identification at the Arbor Day Foundation site
USDA Zone finder at the Arbor Day Foundation site
Trees helping cities cool and some heat island imagery, urban forestry etc
International Society for Commercial Arboriculture
Institute for Sustainable Agricultural Practices (ISAP) consults and trains arborists, landscape contractors, golf superintendents, and property managers, specializing in plant health and nutritional needs of trees, ornamentals, turf etc. (Tualatin, OR)
Envirochipper.com - Specializing in wood chippers and stump grinders. (Gold Hill, OR)
Vehicle-Mounted Elevating and Rotating Work Platforms: OSHA Standard 1910.67
Send us your favorite arborist links. We'll add them to this page.
Birdnotes.net: Tracking birds of the Pacific Northwest