On each side lie the remains of approximately 2300 Union soldiers who died as prisoners in the Florence Prison Stockade between September 1864 and February 1865. The stockade was located across Cemetery Street on Stockade Road. The dead were buried in trenches marked by stone markers at the end of each row showing the number of individuals placed there. The names of those in the trench burials were lost after the war, though research continues and a current list of known casualties is available for public reference.