Additional Tree Line USA Materials
Trenching and Tunneling: A Video Guide
This DVD demonstrates methods to minimize the destruction of critical roots and injury to nearby trees when trenching and tunneling is required during construction and utility work. Workbook worth two CEUs included.
| ISA members | Nonmembers |
| $34.95 | $44.95 |
Utility Pruning: A Video Guide
This DVD demonstrates utility pruning methods based on the most current published practices and state-of-the-art equipment and techniques to achieve safe and cost-effective operations. Workbook worth two CEUs included.
| ISA members | Nonmembers |
| $34.95 | $44.95 |
Pruning Trees Near Electric Utility Lines by Alex Shigo
This handy (4 x 6 in.) reference manual is designed for qualified utility line clearance workers. 34 pages.
Enclose check or money order for $3.00 to:
Shigo and Trees, Associates
PO Box 2466
Snohomish, WA 98291-2466