How to PreserveTrees During Construction

Why is this topic important? What harm can construction cause?
How can preservation be done?
White oak that died for lack of root protection during construction
      White oak that later died for lack of root protection during construction
Which trees should you preserve?
Where can I get more information?

For other information, advice and help on this topic, call offices of your State Urban Forestry Coordinator or University Extension service, or visit urban forestry web sites.