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Sources for More Information

Bulletin #25: Tree Line USA


A Tree Line USA application form, support materials, and additional information about the program is available at this site. Get it at our Tree Line USA page.


Copies of two booklets that provide guidance for meeting Tree Line USA requirements are available to anyone who works around trees.


Several videos are available that can help show the way to better pruning and underground work near utilities. All are available from:

International Society of Arboriculture
P.O. Box 3129
Champaign, IL 61826-3129
  • Trenching and Tunneling: A Video Guide for Excavating Around Trees (17 minutes)
  • Utility Pruning: A Video Guide for Pruning Near Utility Conductors (17 minutes)
  • Managing Trees for Public Safety Video Series–The Administrator’s Responsibility (12 minutes)
  • Root Injury and Tree Health (10 minutes)

Professional Organization

The professional organization that unites utility professionals who work with trees is The Utility Arborists Association. You can contact them at or by phoning the International Arborists Association at 217-355-9411.

Last Updated: 03/25/19

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