Tree Farms

Are there tree farms/plantations in or around Atlanta? Where? What is their purpose?
Yes, at south Atlanta public tree farms. the purpose of this is to provide customers with natural trees.
If a tree farm is planted, what happens if it is not "thinned"?
Properly thinned plants are exposed to more sun and better air circulation, which can help reduce disease problems. It is also easier to get good coverage with pesticide applications.
-Are there old growth forests in or around Atlanta? What products do you use from old-growth forests? 
yes, fernbank forest. flooring and furnishing are made from old growth forsets.