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International Society of Arboriculture PO Box 191 Annapolis Junction, MD 20701 United States
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This illustrated workbook accompanies the Arborists' Knots for Climbing & Rigging DVD set . You can earn two CEUs* by completing the workbook test answer sheets, returning them to ISA for grading, and receiving a score of 80% or greater. (©2006, softcover, 28 pp.)
*These CEUs may be submitted only once during the life of your certification.
