OWEN TREE ARBORIST PASSES ISA CERTIFIED ARBORIST EXAM
April 14, 2016 Owen Tree Service is pleased to announce that another member of its staff, Calvin Mass, has passed the ISA Certified Arborist examination. The ISA Certified Arborist examination was developed with the input of tree care industry experts from around the world, representing a variety of aspects in the field of arboriculture. By passing the ISA Certified Arborist test Calvin has demonstrated a high level of knowledge on arboricultural practices such as tree biology, tree installation & establishment,…
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