Georgia Code Title 51. Torts § 51-12-50

(a) When a plaintiff, other than a plaintiff under Code Section 51-12-51, recovers for timber cut or cut and carried away, the measure of damages shall be:

(b) When the defendant is a willful trespasser, the plaintiff may also recover punitive damages.

(c) When the boundary lines of the property have been clearly and accurately marked, it shall be presumed that the defendant was a willful trespasser.