However, Grant's strategy at Petersburg eventually succeeded as the last rail line from the south to supply the Cockcade City (and hence Richmond) was severed in early April 1865. At the Battle of Sailor's Creek on April 6, Lee exclaimed in front of Mahone "My God, has the army dissolved?", to which he replied "No, General, here are troops ready to do their duty." Touched by the loyalty of his men, Lee told Mahone, "Yes, there are still some true men left ... Will you please keep those people back?" Mahone was also with Lee at the surrender at Appomattox Court House three days later.