Where is a good public place to go gem hunting/leisure prospecting in South Georgia or around?

I know this: Georgia has been known to have over 139 mines and many counties are mineral rich. Where however, are the actual locations for hobbyists?Where is a good public place to go gem hunting/leisure prospecting in South Georgia or around?
http://familytravel.suite101.com/article鈥?/a>Where is a good public place to go gem hunting/leisure prospecting in South Georgia or around?
good luck in s ga! i believe you'd be much better off in N GA!