The 'International Society of Arboriculture' (ISA) is a
non-profit organization headquartered in
Champaign, Illinois USA. Its mission statement: "Through research, technology, and education promote the professional practice of
arboriculture and foster a greater public awareness of the benefits of trees."
External links
★
International Society of Arboriculture Home Page
★
Bailey Tree Preservation LLC Experienced ISA Certified Arborist tree care service site
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