The coordinates are at Gwinnett's Fallen Heroes Memorial.
This is located on the grounds of the Gwinnett Justice and Administration Center in Lawrenceville.
Event Timeline.
Stay away from the Monument, Stay in your car or walkaround, but you need to act like you don't know anyone!
10.29AM, make your way to the Monument, still acting like you don't know anybody.
10.30AM ianssouthern will open an ammo can at the Monument signaling the beginning of the event, you may then converge the area and sign the log sheet.
Now you may mingle with your fellow cachers.
10.40AM Immediately assemble around the Monument for a group photo, with your G.P.S.
10.45AM LEAVE the area! Ammo can is closed, if you missed the signing and the photo you missed the event.