I live in Atlanta and attend Georgia Tech, but so far I have only geohashed in the Huntsville, AL graticule, since that is where I have time and a car. I own no GPS (yay for Google Maps!), so I'll try to provide as many pictures as possible for proof.
2008-12-26 34 -86 Attempted midnight geohash for first outing. Failure.
2008-12-27 34 -86 Successful #1 including a drag along and speed demon
|fredcai earned the Land geohash achievement|
|fredcai earned the Speed racer achievement|
|fredcai earned the Drag-along achievement|