There are two primary documents which regulate and explain safe and effective tree climbing for Forest Service personnel. They are the WO Amendment to FSH 2409.17 chapter 50 and the National Tree Climbing Guide.
- FSH 2409.17 Silvicultural Practices Handbook, Chapter 50, WO Amendment 2409.17-2009-1
- National Tree Climbing Guide 2005 Edition
(Electronically revised, March 2008)
Changes to the 2005 Edition: