I lived in Northeast Atlanta from 1969 - 2010 (except to go to college). I lived in Dunwoody, Lilburn, Lawrenceville, Roswell and Milton. I recall floating the Chattahoochee River from Roswell down to Smyrna on many an occasion. Caught a lot of trout in the north end of the river from Helen, GA down to Roswell. Great place.