On September 29, Hood began his advance across the Chattahoochee River, heading to the northwest with 40,000 men to threaten the Western & Atlantic Railroad, Sherman's supply line.
Den 29. september begyndte Hood sin fremrykning over Chattahoochee River, i retning mod nordvest med 40.000 mand for at true Western & Atlantic Railroad, Shermans forsyningslinje.