Anyone interested in learning about trees and their associates, as well as
understanding treatments, should benefit from this literature. If your
library does not have these books in stock they can order them for you.
Your library can get a discount on buying the complete library by Dr. Shigo.
Literature Available by Dr. Shigo is here:
Here are some other links.
1. Techno Tree Biology Dictionary
http://www.treedictionary.com . Look up "logging".
2. Articles written by DR. ALEX L. SHIGO, one of the foremost authorities
worldwide on tree systems today online at
If you have any suggestions please let me know. 610-864-5251
John A. Keslick, Jr.
Beware of so-called TREE EXPERTS who do not understand TREE BIOLOGY!
Storms, fires, floods, earthquakes, and volcanic eruptions keep reminding us
that we are not the boss.